请输入您要查询的英文单词:

 

单词 pulverulent
释义

pulverulentadj.

Brit. /pʌlˈvɛr(j)ᵿlənt/, /pʌlˈvɛr(j)ᵿln̩t/, U.S. /pəlˈvɛrjələnt/
Origin: A borrowing from Latin. Etymon: Latin pulverulentus.
Etymology: < classical Latin pulverulentus covered with dust, dusty, resembling specks of dust, gritty < pulver- , pulvis pulver n. + -ulentus -ulent suffix. In sense 3 after French pulvérateur, adjective (see Pulveratores n.). Compare Italian polverulento (1521 as †pulverulento in sense 1, 1610 in sense 2).
1. Chiefly Chemistry. Consisting of or having the form of powder or dust.
ΘΚΠ
the world > matter > constitution of matter > granular texture > [adjective] > powdery or dusty
pulverous?a1425
powderyc1425
mealy1541
dusty1552
mully1570
pulverulentous1640
pulvereous1656
pulverulent1656
pulveral1657
powderal1662
farinaceous1664
smutty1667
snuffy1789
floury1830
pulverulous1841
1656 T. Blount Glossographia Pulverulent, dusty, of dust, full of dust.
1687 R. Midgley New Treat. Nat. Philos. ii. ix. 161 The fumes arising from the common Cupels, being collected in an Alembick, are condensed into a clear viscous, pulverulent, or gritty, and consequently mettalline Water.
1741 tr. J. A. Cramer Elements Art of assaying Metals ii. 223 There will remain at the Bottom a pulverulent, dark red Caput Mortuum, which must be taken out of the Vessel.
1790 W. Nicholson First Princ. Chem. 38 A chemical bath is usually made by putting a quantity of water, sand, or other fluid or pulverulent substance, into a metallic vessel.
1806 W. Saunders Mineral Waters i. 20 The glutinous part of wheat flour, [which is] dry and pulverulent.
1830 J. Lindley Introd. Nat. Syst. Bot. 316 In Lycopodium..the pulverulent thecæ occupy the upper ends of the shoots.
1883 Athenæum 11 Aug. 183/2 A pressure of 5,000 atmospheres caused pulverulent matters to aggregate into crystalline masses.
1922 Lincoln (Nebraska) State Jrnl. 19 Feb. 7/6 Ordinary tenacious white tin is no longer stable at below-zero temperatures, but may change into a grey and pulverulent condition.
1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xlvii. 496 Pure chromium separates in a pulverulent form.
2002 Trends Analyt. Chem. 21 241/2 This allows..physical properties (such as density, viscosity, and particle size in pulverulent solids) determined.
2. Covered with powder or dust, dusty; (chiefly Mycology and Entomology) having a powdery or dusty appearance.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > dirtiness > dirt > dirtiness or soiling with specific kinds of dirt > [adjective] > dusty
dustya1225
dustish1647
pulvereous1656
pulverulent1737
stoury1792
adust1827
poucey1829
sneezy1848
the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [adjective] > of marking or colouring > sprinkled with minute dots
pulverulent1737
irrorate1826
lutose1826
irrorated1843
the world > plants > appearance of plant > defined by texture > [adjective] > rough, granulated, or powdery
mealy1567
miliary1760
scurvy1763
pulverulent1828
grumous1830
pulveraceous1857
pannose1866
scabrid1866
scabriusculous1866
scaberulous1870
saccharine1889
panniform1894
1737 M. Akenside Poet in Gentleman's Mag. July 441 On shelves pulverulent, majestic stands His library.
1777 J. Lightfoot Flora Scotica II. 707 At the summits of the branches are naked green peduncles..terminated each with a dark green minute pulverulent head.
1828 R. K. Greville Sc. Cryptog. Flora VI. 338 Perithecia..white and pulverulent.
1884 Proc. Amer. Philos. Soc. 1883–4 21 174 The forewings of Volupia are also red with fine pulverulent pale lines.
1913 F. L. Stevens Fungi which cause Plant Dis. 433 Surface white, pulverulent or finely tomentose.
1931 C. E. Salmon Flora of Surrey 548 Leaves green on both sides, sparingly pulverulent.
1998 Ann. Missouri Bot. Garden 85 316/2 Leaves..purplish beneath, and the minor venation mostly elevated, often appearing pulverulent.
3. Ornithology. Designating or characteristic of birds that use dust bathing as a means of feather maintenance. Obsolete.
ΘΚΠ
the world > animals > birds > actions or bird defined by > [adjective] > that cleans with dust
pulveratricious1661
pulverulent1793
1793 J. Leslie tr. Comte de Buffon Nat. Hist. Birds VIII. 188 Porphyrion..is also a pulverulent bird [Fr. oiseau pulvérateur], like the cock.
1869 P. Gillmore tr. G. L. Figuier Reptiles & Birds v. 410 Partridges have, like the Quail, the pulverulent instinct.
4. Chiefly Geology. Tending to crumble to powder; friable, crumbly.
ΘΚΠ
the world > matter > constitution of matter > lack of density > [adjective] > loose texture > lacking cohesion > friable or crumbly
crumbly?1523
friable1563
crummy1567
mouldery1600
short1607
bruisable1611
powdery1657
brashya1722
pulverulent1794
powderous1863
1794 R. J. Sulivan View of Nature I. 500 Calcareous stone is also found in the pulverulent form; and of this kind is chalk.
1811 J. Pinkerton Petralogy II. 381 Ashes, sand, and light pulverulent scoriæ.
1849 Watertown (Wisconsin) Chron. 6 June 1/4 If the ploughing be done in the fall..the frequent freezings and thawings of winter will render it perfectly pulverulent by spring.
1856 W. B. Carpenter Microscope 373 A thallus..which, in consequence of the very slight adhesion of its component cells, is said to be ‘pulverulent’.
1918 S. L. Lloyd Mining & Manuf. Fertilizing Materials ii. 25 Many clay soils are rendered porous and pulverulent by an application of lime.
2005 Geoderma 126 189/1 A fine pulverulent weathered limestone.
5. Pulverizing, crushing. Obsolete. rare.
ΘΚΠ
the world > existence and causation > creation > destruction > pressing, pressure, or squeezing > [adjective] > crushing
Juggernautish1819
vice-like1835
hugging1841
pulverulent1864
Juggernautal1888
1864 J. Ruskin Arrows of Chace (1880) I. 260 The pulverulent effect [on masses of stone] of original precipitation to glacier level from two or three thousand feet above.

Derivatives

pulˈverulently adv. rare with or as with a covering of fine powder.
ΘΚΠ
the world > plants > appearance of plant > defined by texture > [adverb]
pulverulently1821
1821 W. P. C. Barton Flora N. Amer. (new ed.) I. 113 Corolla pulverulently rough within.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
<
adj.1656
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/24 11:16:19