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单词 nit
释义

nitn.1

Brit. /nɪt/, U.S. /nɪt/
Forms:

α. Old English hnitu, Middle English nete, Middle English nette, Middle English nite, Middle English nyte, 1500s neete, 1500s–1600s neet; 1900s– neet (Irish English (northern)); Scottish pre-1700 neit, 1700s– neet, 1700s– nite.

β. Middle English nytt, Middle English–1500s nytte, Middle English–1600s nitte, Middle English– nit, 1500s nyt, 1600s–1700s nitt, 1700s 1900s– knit, 1900s– gnit (U.S. regional); Scottish pre-1700 nitte, pre-1700 1700s– nit.

Origin: A word inherited from Germanic.
Etymology: Cognate with Middle Dutch neet, nete, nette, net (Dutch neet), Middle Low German (plural) nēte, (in glossaries) nēt, nit, nēte, Old High German niz (Middle High German niz, nizze, German Niß, Nisse), representing a form without g- prefix < the same Germanic base as Old Icelandic gnit (Icelandic nit), Norwegian gnett, (Nynorsk) nit, neit, gnit, (archaic) knit, Old Swedish (plural) gnether (Swedish gnet, gnidd, gnitär), Danish gnid < an Indo-European base also represented by ancient Greek κονιδ-, κονίς, Early Irish sned (Irish sniodh), Welsh nedd, in collective sense ‘nits’ (c1370), Old Russian, Russian gnida (1534), Old Polish gnyda (1472; Polish gnida), Latvian gnīda, Albanian thëri, Albanian regional (Gheg) thëni, thni.
1.
a. The egg of a louse or other insect parasitic on humans or animals; spec. the egg of a head louse when attached to hair. Also by extension: a louse or similar parasite. Occasionally figurative.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > egg(s)
niteOE
blowing1558
sperm1615
blote1657
the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > young or development of young > larva
niteOE
wormOE
grubc1420
canker1440
caterpillarc1440
cankerworm1530
mad1573
bug1594
blote1657
vermicle1657
hexapod1668
grub-worm1752
truffle-worm1753
larva1768
larve1822
the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > group Anoplura > order Siphunculata > member of genus Pediculus (louse) > egg of
niteOE
α.
eOE Épinal Gloss. (1974) 32 Lendina, hnitu.
OE tr. Medicina de Quadrupedibus (Vitell.) x. 266 Hnite & wyrmas onweg to donne ðe on cildum beoð.
c1350 Nominale (Cambr. Ee.4.20) in Trans. Philol. Soc. (1906) 9* W[oman]. in the seyme syketh the nete [Fr. lente].
a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add.) f. 217 Beta..amendeþ and doþ away nytes and oþer vnclennesse of the heed and splekkes and moles of þe face.
a1425 (a1400) Prick of Conscience (Galba & Harl.) (1863) 651 (MED) Þou forth bringes of þi-self here Nites, lyse, and other vermyn sere.
1481 W. Caxton tr. Hist. Reynard Fox (1970) 74 She can wel pyke out lyse and netis [Du. neten] out of mens heedis.
a1500 in T. Wright & R. P. Wülcker Anglo-Saxon & Old Eng. Vocab. (1884) I. 625 Nete, lens.
1598 J. Florio Worlde of Wordes Zecche, neets in the eie lids.
a1627 H. Shirley Martyr'd Souldier (1638) iv. sig. Hv There sits my wife kembing her haire,..all the Neets in't are Spiders.
1787 ‘J. Clinker’ Oration Virtues Old Women 8 Rats, mice, lice, flaes, neets and bugs.
1996 C. I. Macafee Conc. Ulster Dict. 234/1 Neet, a nit, the egg of a louse.
β. ?a1425 (?1373) Lelamour Herbal (1938) f. 82v (MED) Gresse plaster..sleithe nits yn the hede.?c1475 Catholicon Anglicum (BL Add. 15562) f. 86 A Nitte; tinea capitis; lens.1493 Festivall (1515) (de Worde) f. 174 Of trees cometh leves, floures, and fruyte, and of the lyce, nyttes, and fleen.1547 A. Borde Breuiary of Helthe i. f. Cviv There be .iiii. kyndes which be to say heed lyce, body lyce, crabbe lyce, and nyttes.1570 T. Tusser Hundreth Good Pointes Husbandry (new ed.) f. 11 Let season be drye when ye take them to house, for daunger of nittes, or for feare of a louse.1607 E. Topsell Hist. Foure-footed Beastes 242 Goates are not troubled with Lice or Nits but onely with Tickes.1664 S. Pepys Diary 18 July (1971) V. 212 Thence to Westminster to my barbers, to have my perriwig he lately made me cleansed of its nits.1704 Philos. Trans. (Royal Soc.) 24 1586 These Eggs are exceeding small, much smaller than the Nits of Lice.1753 J. Hanway Hist. Acct. Brit. Trade Caspian Sea II. iv. 18 Inferior silk has many knits [1762 nits] and coarse stuff sticking to the threads.1768 G. White Naturalist's Jrnl. 3 Aug. (1931) 5 The whame, or barrel-fly of Derham, lays nits or eggs on the legs and sides of Horses at Grass.1827 T. Hood Craniol. 34 The science thus—to speak in fit Terms—having struggled from its nit.1844 H. Stephens Bk. of Farm II. 152 The egg or nit is pear-shaped, and may be seen attached to the hairs.1884 Med. Ann. 44/2 Dilute Acetic acid destroys the pediculi and dissolves the nits.1929 ‘H. Green’ Living (1931) xvii. 204 Women who have had knits in their hair over a long period collapse when these are killed.1970 M. Laurence in M. Atwood & R. Weaver Oxf. Bk. Canad. Short Stories (1986) 144 I'll bet anything she has nits in her hair.1988 Woman's Day (N.Y.) Jan. 141/3 (advt.) Kill lice and nits on upholstery.
b. A gnat or other small fly. Cf. nit fly n. at Compounds. Now U.S. regional.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > member of > unspecified > small or gnat-like
midgeeOE
nit1547
the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Nematocera > family Culicidae > genus Culex or tribe Culicini > member of
gnatc893
stoutc1000
culex1483
nit1547
culicine1911
1547 A. Borde Breuiary of Helthe i. f. Cxxxiiv A nytte or a flye comynge..vnto a mannes mouth whan he doth take in his breth.
1684 T. Otway Atheist i. 3 The Nits dance about in't like Attoms in the Sun-shine.
1903 Dial. Notes 2 297 Gnit,..a small insect.
1980 F. Buechner Godric 62 The heavy air was hard to breathe and swarmed with biting nits.
2. colloquial. Originally: an insignificant, inconsequential, or contemptible person. In later use chiefly: spec. a foolish, stupid, or incompetent person. Cf. louse n. 2.In early use sometimes as a more general term of abuse. The later development in meaning may be influenced by nitwit n.
ΘΚΠ
the mind > mental capacity > lack of understanding > stupid, foolish, or inadequate person > person of weak intellect > confused, muddled person > [noun]
mafflardc1450
juffler15..
dromedary1567
madbrain1570
batie buma1586
addle-head1592
blunderkin1596
nit1598
addle-pate1601
hash1655
blunderbuss1692
blunderhead1692
shaffles1703
fog-pate1732
blunderer1741
puzzle-pate1761
slouch1767
étourdi1768
botch1769
puddle1782
bumble1789
scatter-brain1790
addle-brain1799
puzzle-head1815
shaffler1828
chowderhead1833
muddlehead1833
muddler1833
flounderer1836
duffer1842
muddle-pate1844
plug1848
incompetent1866
schlemiel1868
dinlo1873
drumble-dore1881
hodmandod1881
dub1887
prune1895
foozler1896
bollock1916
messer1926
Pilot Officer (also P.O.) Prune1942
spaz1965
spastic1981
the mind > attention and judgement > contempt > condition of being held in contempt > [noun] > state or quality of being contemptible > contemptible person
wormc825
wretchOE
thingOE
hinderlingc1175
harlot?c1225
mixa1300
villain1303
whelpc1330
wonnera1340
bismera1400
vilec1400
beasta1425
creaturec1450
dog bolt1465
fouling?a1475
drivel1478
shit1508
marmoset1523
mammeta1529
pilgarlica1529
pode1528
slave1537
slim1548
skit-brains?1553
grasshopper1556
scavenger1563
old boss1566
rag1566
shrub1566
ketterela1572
shake-rag1571
skybala1572
mumpsimus1573
smatchetc1582
squib1586
scabship1589
vassal1589
baboon1592
Gibraltar1593
polecat1593
mushroom1594
nodc1595
cittern-head1598
nit1598
stockfish1598
cum-twang1599
dish-wash1599
pettitoe1599
mustard-token1600
viliaco1600
cargo1602
stump1602
snotty-nose1604
sprat1605
wormling1605
brock1607
dogfly?1611
shag-rag1611
shack-rag1612
thrum1612
rabbita1616
fitchock1616
unworthy1616
baseling1618
shag1620
glow-worm1624
snip1633
the son of a worm1633
grousea1637
shab1637
wormship1648
muckworm1649
whiffler1659
prig1679
rotten egg1686
prigster1688
begged fool1693
hang-dog1693
bugger1694
reptile1697
squinny1716
snool1718
ramscallion1734
footer1748
jackass1756
hallion1789
skite1790
rattlesnake1791
snot1809
mudworm1814
skunk1816
stirrah1816
spalpeen1817
nyaff1825
skin1825
weed1825
tiger1827
beggar1834
despicability1837
squirt1844
prawn1845
shake1846
white mouse1846
scurf1851
sweep1853
cockroach1856
bummer1857
medlar1859
cunt1860
shuck1862
missing link1863
schweinhund1871
creepa1876
bum1882
trashbag1886
tinhorn1887
snot-rag1888
rodent1889
whelpling1889
pie eatera1891
mess1891
schmuck1892
fucker1893
cheapskate1894
cocksucker1894
gutter-bird1896
perisher1896
skate1896
schmendrick1897
nyamps1900
ullage1901
fink1903
onion1904
punk1904
shitepoke1905
tinhorn sport1906
streeler1907
zob1911
stink1916
motherfucker1918
Oscar1918
shitass1918
shit-face1923
tripe-hound1923
gimp1924
garbage can1925
twerp1925
jughead1926
mong1926
fuck?1927
arsehole1928
dirty dog1928
gazook1928
muzzler1928
roach1929
shite1929
mook1930
lug1931
slug1931
woodchuck1931
crud1932
dip1932
bohunkus1933
lint-head1933
Nimrod1933
warb1933
fuck-piga1935
owl-hoot1934
pissant1935
poot1935
shmegegge1937
motheree1938
motorcycle1938
squiff1939
pendejo1940
snotnose1941
jerkface1942
slag1943
yuck1943
fuckface?1945
fuckhead?1945
shit-head1945
shite-hawk1948
schlub1950
asswipe1953
mother1955
weenie1956
hard-on1958
rass hole1959
schmucko1959
bitch ass1961
effer1961
lamer1961
arsewipe1962
asshole1962
butthole1962
cock1962
dipshit1963
motherfuck1964
dork1965
bumhole1967
mofo1967
tosspot1967
crudball1968
dipstick1968
douche1968
frickface1968
schlong1968
fuckwit1969
rassclaat1969
ass1970
wank1970
fecker1971
wanker1971
butt-fucker1972
slimeball1972
bloodclaat1973
fuckwad1974
mutha1974
suck1974
cocksuck1977
tosser1977
plank1981
sleazebag1981
spastic1981
dweeb1982
bumboclaat1983
dickwad1983
scuzzbag1983
sleazeball1983
butt-face1984
dickweed1984
saddie1985
butt plug1986
jerkweed1988
dick-sucker1989
microcephalic1989
wankstain1990
sadster1992
buttmunch1993
fanny1995
jackhole1996
fassyhole1997
fannybaws2000
fassy2002
1598 W. Shakespeare Love's Labour's Lost iv. i. 146 And his Page,..Ah heauens, it is most patheticall nit . View more context for this quotation
a1616 W. Shakespeare Taming of Shrew (1623) iv. iii. 109 Thou Flea, thou Nit, thou winter cricket thou. View more context for this quotation
a1618 J. Sylvester tr. G. de S. Du Bartas Diuine Weekes & Wks. (1621) i. iii. 58 A Nit, a Nothing (did he All possess); Or if then nothing any thing be less.
a1640 J. Day & H. Chettle Blind-beggar (1659) sig. I1v Strowd, y'are a Nit, a Slave, and a Pessant.
1681 N. Lee Lucius Junius Brutus i. i. 9 Thou Flip-flap of a Man, thou vaulting Flea, thou Nit, thou Nothing.
?1786 J. Wolcot Bozzy & Piozzi ii, in ‘P. Pindar’ Wks. (1816) I. 272 Trust me, dear madam, all your dear relations Are nits—are nothings in the eye of nations.
1898 J. Baillie Walter Crighton 71 In front of them were half-a-dozen boys..belonging to George Watson's Hospital... As they passed, one of the ‘neets’ made a remark.
1903 G. Ade People you Know 77 I don't read Books... I am an Intellectual Nit.
1941 S. J. Baker Pop. Dict. Austral. Slang 49 Nit, a simpleton or fool.
1962 Melody Maker 11 Aug. 6/1 I could see he wasn't very impressed with this nit sitting across the table.
1967 S. Knight Window on Shanghai xxiii. 97 The Chinese certainly enjoy celebrating, but for goodness sake! You nit, Mum—can you imagine them trooping to church on December 25?
1975 National Lampoon Apr. 4 The poor nit is inevitably driven..into composing something shrill.
1991 B. Howell Dandelion Days (BNC) 197 ‘You stupid nit,’ Otley scolded. ‘This isn't The Paul Daniels Magic Show where they get up and walk away.’
3. as dead as a nit: utterly dead, completely lifeless.
ΘΚΠ
the world > life > death > dead person or the dead > [adjective]
deadOE
lifelessOE
of lifeOE
storvena1225
dead as a door-nail1362
ydead1387
stark deadc1390
colda1400
bypast1425
perishedc1440
morta1450
obita1450
unquickc1449
gone?a1475
dead and gone1482
extinct1483
departed1503
bygonea1522
amort1546
soulless1553
breathless1562
parted1562
mortified1592
low-laid1598
disanimate1601
carcasseda1603
defunct1603
no morea1616
with God1617
death-stricken1618
death-strucken1622
expired1631
past itc1635
incinerated1657
stock-dead1662
dead as a herring1664
death-struck1688
as dead as a nit1789
(as) dead as mutton1792
low1808
laid in the locker1815
strae-dead1820
disanimated1833
ghosted1834
under the daisies1842
irresuscitable1843
under the sod1847
toes up1851
dead and buried1863
devitalized1866
translated1869
dead and done (for, with)1886
daid1890
bung1893
(as) dead as the (or a) dodo1904
six feet under1942
brown bread1969
1789 J. Wolcot Subj. for Painters in Wks. (1812) II. 191 Dead in a minute as a Nit.
1838 W. M. Thackeray Fashnable Fax in Wks. (1900) XIII. 254 Down he fell as dead as a nit.
1874 T. Hardy Far from Madding Crowd I. xxi. 228 [The sheep] will all die as dead as nits.
1935 Z. N. Hurston Mules & Men i. iii. 64 Massa tole John if he ever heard tell of him layin' a whip on his hawse agin he was gointer take and kill John's hawse dead as a nit.
1999 Ottawa Citizen (Nexis) 28 Dec. d1 In 2001, the..Cape Breton Development Corporation..will close its one remaining coal mine... ‘Jock’ Moores, a 61-year old retired machinist..says: ‘She's as dead as a nit.’
4.
a. colloquial. to pick nits: = nitpick v.
ΘΚΠ
the mind > attention and judgement > contempt > disapproval > criticism > criticize [verb (transitive)] > captiously
upbraidc1290
bite1330
to gnap at1533
carp1550
cavil1581
carp1587
to pick at ——1603
to pick a hole (also holes) in1614
yark1621
vellicate1633
to peck at1641
snob1654
ploat1757
to get at ——1803
crab1819
to pick up1846
knock1892
snark1904
kvetchc1950
to pick nits1978
1978 Washington Post (Nexis) 12 Jan. e1 One could pick nits, and point out that only a small percentage of the population actually is plagued by excessive cholesterol.
1993 Newsweek 25 Jan. 20/3 These early mistakes are serious, but not grievous. The press will stop picking nits once the next president is in office and actually starts doing things.
2000 Dallas Morning News (Nexis) 11 Dec. 4 d You can always count on the tax man to pick nits.
b. colloquial. A pedantic or minor point, esp. a shortcoming; a quibble.
ΘΚΠ
the mind > mental capacity > understanding > reason, faculty of reasoning > misleading argument, sophistry > excessive subtlety, hair-splitting > trivial argument, quibble > [noun]
quiddity1539
quibc1540
quibibec1540
quirk1565
quillity1573
quid1576
quillet1576
quipa1592
quiddit1592
quidlit1598
quibibble1606
punctual1610
quidlibet1611
catasophistrya1614
quibbling1633
Scotism1645
quibble1650
thingum1672
quoddity1682
scruple1713
baffle1783
nit1982
1982 Associated Press Newswire (Nexis) 27 June Abrahamson answered a question about problems by saying ‘we spend all our time on some really minor nits.’
1986 N.Y. Times (Nexis) 19 June d1/3 Looking at the bill as a whole, this part is just a nit... As far as I can tell, no one really focused on it.
1993 Albuquerque (New Mexico) Jrnl. 22 Jan. b4/1 Just one nit to pick. We don't like Hillary with her hair pulled up in a French twist.
2001 Oregonian (Portland, Oregon) (Nexis) 6 Apr. 14 These are minor nits, the sort of drawbacks easily fixed to turn a very good spot into something truly remarkable.

Compounds

nit comb n. a comb for removing nits from the hair (in quot. 1662 figurative).
ΚΠ
1662 G. Torriano 2nd Alphabet Proverbial Phrases 144/1 To enter into the Nit-comb, viz. to sift and examine strictly and impartially, sparing none.
1917 Brit. Jrnl. Nursing 24 Nov. 336/1 She could vouch for it that hair combed with Binns' nit comb (Bradford), after soaking it in hot vinegar, would be clear of nits.
1943 Our Towns iii. 72 A square-toothed steel nit-comb..is too expensive for the poorest.
1997 A. Kahn-Din East is East (rev. ed.) ii. v. 58 Sajit—go upstairs and ask your Dad to give you the nit comb.
nit fly n. U.S. regional (chiefly Midland) a horse botfly (genus Gasterophilus).
ΚΠ
1926 E. O. Essig Insects Western N. Amer. 575 The horse bot or nit fly, Gastrophilus [sic] intestinalis.
1940 J. Still River of Earth 7 A big house draws kinfolks like a horse draws nitflies.
1978 E. G. Massey Bittersweet Country 229 We traveled perhaps a mile and a half and the old horse was fighting nit flies and horseflies so I couldn't turn the lines loose.
nit nurse n. British colloquial a school nurse who periodically checks children's hair for head lice or nits.
ΚΠ
1942 Lancet 9 May 560/2 The school nurse, known affectionately as the ‘nit nurse’, resolutely tries to raise the standard of cleanliness.
1985 Guardian (Nexis) 15 Jan. (headline) Whatever happened to the nit nurse?
1995 Daily Mail (Nexis) 14 Nov. 41 The nit nurse, picking away at rows of prepubescent scalps.
2001 Evening Chron. (Newcastle) (Electronic ed.) 26 Feb. Parents complained about the demise of the nit nurse but they were never effective.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2022).

nitn.2

Origin: Perhaps formed within English, by back-formation. Etymon: nitty adj.2
Etymology: Perhaps a back-formation < nitty adj.2 (compare sense 2 at that entry).Recorded in N.E.D. (1907) as an adjective, but with only the definition ‘(See quot.)’.
slang. Obsolete. rare. Apparently only attested in dictionaries or glossaries.
Wine which is full of air bubbles, either through being naturally sparkling or from having been freshly poured.
ΘΚΠ
the world > food and drink > drink > intoxicating liquor > wine > types of wine > [noun] > strong wine
high wine?c1430
nit1699
1699 B. E. New Dict. Canting Crew Nit, wine that is brisk, and pour'd quick into a Glass.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2021).

nitn.3int.

Brit. /nɪt/, U.S. /nɪt/, Australian English /nɪt/
Origin: Of uncertain origin. Perhaps a variant or alteration of another lexical item. Etymon: nix int.
Etymology: Origin uncertain; compare nit v.2 Perhaps a variant of nix int., although if so the derived verb nit v.2 is attested somewhat earlier than the interjection.
Australian colloquial.
A. n.3
to keep nit: to keep watch, to be on the lookout. Cf. nix int. and n.1 Phrases 2.
ΘΚΠ
the world > action or operation > safety > protection or defence > vigilance > keeping watch > keep watch [verb (intransitive)] > while another acts
to keep (the) tout1819
to keep nit1883
to keep cave1906
to keep yow1942
1883 Bendigo (Victoria) Advertiser 8 May (Suppl.) Orchard said, ‘I'll keep nit (meaning to give the alarm), Bush’.
1900 Bulletin (Sydney) 21 Apr. 26/2 Don't forget that rats keep ‘nit’ with splendid all-round effect.
1918 Euripidean: Troopship Souvenir 6 When I says workin' I means I keekin [sic] nit to see 'as 'ow th' D's don't hop in an' cop the brass.
1940 I. L. Idriess Lightning Ridge 20 Bill kept nit for his elder brother who was courting a girl, and earned a shilling.
1971 D. Ireland Unknown Industr. Prisoner 77 They had transgressed the unwritten law that you didn't let yourself go to sleep while you were keeping nit for your mates.
1977 B. Scott My Uncle Arch 3 They'd pick a couple of the mob to keep nit then they'd hoe into the corn.
B. int.
Signalling or warning of a person's approach: ‘Beware!’, ‘Look out!’.
ΘΚΠ
the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > warning cry [interjection] > to warn of someone's approach
nix1753
psht1770
cave1868
nit1898
1898 Bulletin (Sydney) 29 Oct. 15/1 On a racecourse, the other day, saw a gentleman manipulating a purse and sovereigns. Suddenly ‘cobber’ walks up behind him, ‘Nit! Hopscotch on yer paddy-whack, right hook.’ Artist disappears.
1899 H. Lawson If I could Paint in Stories (1964) 3rd Ser. 416 I'd call it ‘Nit! There's Mother.’
1911 L. Stone Jonah 8 Suddenly there was a cry of ‘Nit! 'Ere's a cop!’ and the push bolted like rabbits.
1962 D. McLean World turned upside Down 197Nit! Nit!’ the warning from David Dawes sent the youths running before they had done much harm.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2022).

nitn.4

Brit. /nɪt/, U.S. /nɪt/
Origin: Of uncertain origin. Perhaps formed within English, by conversion. Perhaps a variant or alteration of another lexical item. Etymons: nit adv.; naught n., nought n.
Etymology: Origin uncertain. Perhaps developed < nit adv., or perhaps a variant or alteration of naught n. or nought n., or perhaps compare nix n.1Probably unrelated to the following (compare note s.v. nit adv.):1805 R. Anderson Ballads in Cumberland Dial. 31 Silly Tom Linton left nit worth a sous.
colloquial. Now rare.
None; nothing.
ΚΠ
1902 G. H. Lorimer Lett. Self-made Merchant xiv. 193 It's been my experience that the net profit on nothing is nit.
1910 ‘O. Henry’ Strictly Business v. 67 ‘You fool... Why did you do it?’ ‘The Stuff,’ explained Thomas briefly. ‘You know. But subsequently nit. Not a drop.’
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

nitn.5

Brit. /nɪt/, U.S. /nɪt/
Origin: A borrowing from French. Etymon: French nit.
Etymology: < French nit (formally adopted as a unit in this sense in 1948 at the 11th meeting of the Commission internationale de l'Éclairage, and published in its Recueil des travaux (1950) 145) < classical Latin nitēre to shine (see nitent adj.).
Physics.
A unit of luminance equal to one candela per square metre.
ΘΚΠ
the world > matter > light > illumination > [noun] > unit of illumination > candela > nit or stilb
stilb1940
nit1953
1953 J. W. T. Walsh Photometry (ed. 2) v. 136 On the c.g.s. system the unit [of luminance] is the stilb, equal to one candela per sq. cm. or the nit, equal to one candela per sq. metre. There is no name for the corresponding unit on the British system.
1965 R. Kingslake Appl. Optics v. 198 1 ft-L is equal to 3·43 nits.
1969 Amateur Photographer 19 Mar. 80/3 A brightness (or luminous intensity) of 1 Candela per square metre is termed a Nit. Therefore, for example, 60 Candelas per square centimetre equals 600,000 Nits.
1976 Atti della Fondazione Giorgio Ronchi 31 249 The eye is presented with a uniform background, 35 nit luminance, 3° angular diameter.
2001 Yahoo! Internet Life July 71/2 (advt.) Images are bright and crisp, with a resolution of 1024 × 768 nits of brightness and a contrast ratio of 300:1.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

nitv.1

Origin: Formed within English, by conversion. Etymon: nit n.1
Etymology: < nit n.1 In sense 1 with reference to the close attention needed to clear something of nits; compare louse v. 1a and the parallel use of this verb in quot. 1596 at sense 1.
Obsolete. rare.
1. intransitive. To pore carefully over a book.
ΘΚΠ
society > communication > reading > [verb (transitive)] > read attentively or laboriously
spella1400
studya1425
nit1596
finger1653
syllable1724
society > education > learning > study > [verb (transitive)] > study diligently or hard
to make a study ofa1591
nit1596
to sit over ——1606
to mouse over1808
to work out1830
bone1832
work1840
to work up1852
mug1868
swot1901
1596 T. Nashe Haue with you to Saffron-Walden Ep. Ded. sig. C I haue here tooke the paines to nit and louze ouer the Doctours Booke.
1602 2nd Pt. Returne fr. Parnassus i. ii. 149 Would it not grieue any good spiritt to sit a whole moneth nitting over a lousie beggarly Pamphlet?
2. intransitive. Of a louse, etc.: to lay or deposit nits. rare.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > dirtiness > infestation by noxious creatures > be infested with noxious creatures [verb (intransitive)] > deposit nits
nit1683
1683 T. Tryon Way to Health 596 Bugs..harbour in Bedsteads, Holes and Hangings, Nitting and breeding as Lice do in Clothes.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2021).

nitv.2

Brit. /nɪt/, U.S. /nɪt/, Australian English /nɪt/
Origin: Of uncertain origin. Perhaps formed within English, by conversion. Etymon: nit int.
Etymology: Origin uncertain; perhaps < nit int. (although this is attested only later): see discussion at that entry.
Australian colloquial. Now rare.
intransitive. To escape, decamp; to hurry away. Also transitive with it.
ΘΚΠ
the world > movement > motion in a certain direction > going away > go away [verb (intransitive)] > go away suddenly or hastily
fleec825
runOE
swervea1225
biwevec1275
skip1338
streekc1380
warpa1400
yerna1400
smoltc1400
stepc1460
to flee (one's) touch?1515
skirr1548
rubc1550
to make awaya1566
lope1575
scuddle1577
scoura1592
to take the start1600
to walk off1604
to break awaya1616
to make off1652
to fly off1667
scuttle1681
whew1684
scamper1687
whistle off1689
brush1699
to buy a brush1699
to take (its, etc.) wing1704
decamp1751
to take (a) French leave1751
morris1765
to rush off1794
to hop the twig1797
to run along1803
scoot1805
to take off1815
speela1818
to cut (also make, take) one's lucky1821
to make (take) tracks (for)1824
absquatulize1829
mosey1829
absquatulate1830
put1834
streak1834
vamoose1834
to put out1835
cut1836
stump it1841
scratch1843
scarper1846
to vamoose the ranch1847
hook1851
shoo1851
slide1859
to cut and run1861
get1861
skedaddle1862
bolt1864
cheese it1866
to do a bunkc1870
to wake snakes1872
bunk1877
nit1882
to pull one's freight1884
fooster1892
to get the (also to) hell out (of)1892
smoke1893
mooch1899
to fly the coop1901
skyhoot1901
shemozzle1902
to light a shuck1905
to beat it1906
pooter1907
to take a run-out powder1909
blow1912
to buzz off1914
to hop it1914
skate1915
beetle1919
scram1928
amscray1931
boogie1940
skidoo1949
bug1950
do a flit1952
to do a scarper1958
to hit, split or take the breeze1959
to do a runner1980
to be (also get, go) ghost1986
1882 Sydney Slang Dict. 10/2 Nit, get away (usually from a foe), make tracks.
1895 Worker (Sydney) 15 June 4/2Nit, you chaps,’ said Bill, ‘and wait for me.’
1899 W. T. Goodge Hits! Skits! & Jingles! 150 And to ‘nark it’ means to stop it And to ‘nit it’ means to fly!
1941 S. J. Baker Pop. Dict. Austral. Slang 49 To nit, to decamp, get away (from a foe).
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2022).

nitadv.

Brit. /nɪt/, U.S. /nɪt/
Origin: Probably either (i) a borrowing from Dutch. Or perhaps (ii) a borrowing from German. Etymons: Dutch niet; German nit.
Etymology: Probably either < Dutch niet or < German regional (southern) nit not (see nought pron., n., adv., and adj.). Compare nit n.4, and also nix adv.The following English regional examples show what appears to be an unrelated parallel development in the sense ‘and not; nor (yet)’, perhaps representing a contraction of ne yet or nor yet:1805 R. Anderson Ballads in Cumberland Dial. 7 I've twee, nit aw England can bang them.1825 J. Britton Beauties Wiltshire in Eng. Dial. Dict. (1903) (at cited word) ‘What time es it, you?’ ‘Oh tedden't one o'clock nit near it.’1888 F. T. Elworthy W. Somerset Word-bk. at Strake I likes bacon straky, nit all fat.
U.S. colloquial. Now rare.
= not adv. Also, in response to a question, etc.: = no adv.2 and int. (sometimes used to indicate emphatic denial).Frequently used humorously or ironically following a statement to indicate that it should not be believed or taken seriously. Cf. not int.
ΘΚΠ
the world > existence and causation > existence > non-existence > [adverb] > not
neeOE
noughteOE
naughteOE
noeOE
nayc1175
notc1330
nata1350
nit1894
1894 S. Crane in Press (N.Y.) 9 Dec. iii. 2/1 As he glowered at the little Cuban, he ended his oration with one eloquent word, ‘Nit!’
1895 W. C. Gore in Inlander Nov. 63 Nit.., not; sometimes an emphatic not.
1896 G. Ade Artie vii. 65 ‘He's a nice boy,’ said he, and he added, after a deep sigh, ‘Nit—not.’
1903 W. M. Bickley Slang-Dict. 10 ‘Is your scheme dead?’ ‘Nit; it's a bird.’
1911 Our Navy (U.S.) Jan. 28 Assuming that you were stationed at the Naval Station, Cavite, P.I., where the heat is always close to the 100 mark, a stiff collared jacket and a heavy pair of woolen trousers would be nice and comfortable. Nit.
1942 Life 5 Jan. 57 A fine bunch of statesmen they got in this town—nit.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online June 2022).
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n.1eOEn.21699n.3int.1883n.41902n.51953v.11596v.21882adv.1894
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