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单词 hessian
释义

Hessiann.2

Brit. /ˈhɛsɪən/, U.S. /ˈhɛʃən/
Etymology: < the name of Dr. Otto Hesse of Königsberg, who showed (in 1844) the importance of this covariant.
Mathematics.
The Jacobian of the first derivatives of a function.
ΘΚΠ
the world > relative properties > number > algebra > [noun] > expression > function > covariance or covariant
Jacobian1852
covariant1853
Hessian1856
transmutant1858
transvectant1876
covariance1878
segregate1878
covariancy1895
1856 Cayley in Philos. Trans. (Royal Soc.) 146 636 The Hessian is the determinant formed with the second differential co~efficients or derived functions of the quantic with respect to the several facients.
1880 R. F. Scott Theory of Determinants 143 Jacobians and Hessians belong to that class of functions known as covariants.
1895 E. B. Elliott Algebra of Quantics 14.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2022).

Hessianadj.n.1

Brit. /ˈhɛsɪən/, U.S. /ˈhɛʃən/
Etymology: < Hesse, a state in Germany + -ian suffix.
A. adj.
Of or pertaining to Hesse in Germany. Hessian bellows n. a kind of bellows with the fan inside to furnish the blast. Hessian bit n. ‘a peculiar kind of jointed bit for bridles’ (Ogilvie). Hessian boot n. a kind of high boot, with tassels in front at the top, first worn by Hessian troops, and fashionable early in the 19th century. Hessian crucible n. (see quot. 1874). Hessian fly n. a fly or midge ( Cecidomyia destructor), of which the larva is very destructive to wheat; so named, because it was erroneously supposed to have been carried into America by Hessian troops, during the War of Independence.
ΘΚΠ
society > occupation and work > equipment > metalworking equipment > [noun] > forging equipment > bellows > types of
Hessian bellows1705
piston bellows1850
pulsera1903
pulsometera1903
the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Nematocera > family Cecidomyiidae > member of (wheat midge)
Hessian fly1787
wheat-fly1798
wheat-insect1819
wheat-midge1840
society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > vessels
crossletc1386
testc1386
cruciblea1475
spoon1496
melting pot1545
cruset1558
fining pot1560
hooker1594
cupel1605
crusoile1613
crisol1622
melt pot1637
muffle1644
crevet1658
coffin1686
sand-pot1758
Hessian crucible1807
pan1839
shank1843
casting-pot1846
king pot1862
converter1867
washpot1879
the world > textiles and clothing > clothing > types or styles of clothing > footwear > shoe or boot > boot > [noun] > high or long > types of
jockey-boot1683
top-boot1768
Cossack boot1805
wellington boot1815
Hessian boot1834
jockey1851
Napoleon1853
Napoleon boot1860
jockey-leg1862
larrigan1886
kamik1891
mukluk1898
cruiser1902
jockey-back1909
1677 R. Plot Nat. Hist. Oxford-shire 250 He hath discovered also the mystery of the Hessian wares.
1705 Philos. Trans. 1704–05 (Royal Soc.) 24 1992 A Furnace, to which the Hessian Bellows will be very useful.
1787 M. Cutler Jrnl. 12 July in W. P. Cutler & J. P. Cutler Life, Jrnls. & Corr. M. Cutler (1888) I. 246 Here I saw the Hessian fly, as it is called, which has done immense injury to wheat.
1807 T. Thomson Syst. Chem. (ed. 3) II. 92 Their method of proceeding was to apply a violent heat to the earths, which were surrounded with charcoal in a Hessian crucible.
1816 W. Kirby & W. Spence Introd. Entomol. (1856) 26 In 1788 an alarm was excited in this country by the probability of importing, in cargoes of wheat from North America, the insect known by the name of the Hessian fly.
1834 F. Marryat Peter Simple I. i. 9 A man..dressed in blue cotton-net pantaloons and Hessian boots.
1874 E. H. Knight Amer. Mech. Dict. I. 652/1 Hessian crucibles are made of the best fire-clay and coarse sand..They are used in this country [United States] in all experiments where fluxes are needed.
1890 E. A. Ormerod Man. Injurious Insects (ed. 2) 79 The year 1886 was memorable, agriculturally, for the appearance of the Hessian Fly as a pest of the Wheat and Barley in Great Britain.
1897 Sir A. West in 19th Cent. Apr. 640 In the early days of Her Majesty's reign..Hessian boots were common: the last man to wear them was Mr. Stephenson, a Commissioner of Excise..who wore them to the day of his death in 1858.
B. n.1
1. A native of Hesse in Germany; a soldier of or from that region.
ΘΚΠ
the world > people > nations > native or inhabitant of Europe > native or inhabitant of Germany > [noun] > parts of
Easterling1253
Sprucier1443
Suevian1549
High German1550
Low German1550
Prussian1554
Lusatian1555
Westphalian1576
Borussian1607
Rhinelander1608
Eastman1610
Belgic1615
Franconian1615
Thuringian1618
Swab1637
spruce1640
Silesian1669
Swabian1675
palatinate1709
Hessian1729
Saxon1737
Austrasian1833
East German1838
Balt1854
West German1855
Württemberger1896
Sudeten1938
East German1947
West German1947
Saarlander1955
Ossi1989
Wessi1990
society > armed hostility > warrior > soldier > soldier by nationality > [noun] > German
Hessian1729
Kraut1862
Fritz1887
Heinie1904
Fritzie1915
strafer1915
Jerry1916
pickelhaube1931
feldgrau1934
Ted1947
1729 A. Irwin Let. 1 Feb. in 15th Rep. Royal Comm. Hist. MSS (1897) App. vi. 56 The House..voted 30,000 English and 12,000 Hessians, which is the same number I think we had last year.
1776 Jrnls. Continental Congr. 1774–89 (Libr. of Congr.) (1906) V. 640 The Hessians, and other foreigners, employed by the King of Great Britain.
1846 Knickerbocker 27 559 A Montreal editor [noted] the demise at that city of an old Hessian who was in Burgoyne's army when he surrendered.
1872 C. Gibbon For King xi Everything depended on the whim of the dragoons and Hessians.
2. In U.S., A military or political hireling, a mercenary.From the employment of Hessian troops by the British government in the American War of Independence. During the War of Secession, it was again used in the South as a term of obloquy for the Federal soldiers.
ΚΠ
1877 in J. R. Bartlett Dict. Americanisms (ed. 4)
3. (hessians.) Short for Hessian boot n. at sense A.
ΘΚΠ
the world > textiles and clothing > clothing > types or styles of clothing > footwear > shoe or boot > boot > [noun] > high or long > boots
stand-ups1590
Hessian1806
pipe1819
butcher boots1860
1806 C. Lamb Mr. H—— i, in Wks. 578 Blank Dr. to Zedkiel Spanish for one pair of best hessians.
1888 Daily Tel. 1 June 5/1 Plain blue surtout, the buckskins and hessians..of Wellington at Waterloo.
4. A strong coarse cloth, made of a mixture of hemp and jute, employed for the packing of bales ( Dict. Needlework 1882).
ΘΚΠ
the world > textiles and clothing > textiles > textile fabric or an article of textile fabric > textile fabric > textile fabric made from specific material > made from flax, hemp, or jute > [noun] > other
handleband1532
burlap1695
hop-bagging1705
gunny1711
burrass1808
Hessian1881
hop-sacking1884
1881 F. Young Every Man his own Mechanic 366 A piece of strong canvas or hessian should be tacked to the edges of the board.
1891 Times 28 Sept. 3/5 The demand for hessians has fallen off a little.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2022).
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n.21856adj.n.11677
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