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单词 purpurascent
释义

purpurascentadj.

Brit. /ˌpəːpjᵿˈrasnt/, U.S. /ˌpərp(j)əˈræs(ə)nt/
Origin: A borrowing from Latin. Etymon: Latin purpurascens.
Etymology: < scientific Latin purpurascens somewhat purple, turning purple (frequently from 17th cent. in post-classical Latin in botanical and zoological use; from 1785 as a specific name (1789 in Coluber purpurascens ; compare quot. 1802)), use as adjective of classical Latin purpurascēns , present participle of purpurascere to become purple < purpurāre purpurate v. + -sc- (compare -ish suffix2). Compare later purpurescent adj.
Chiefly Botany.
Inclining to or tinged with purple; somewhat purple; turning purple. Cf. purpurescent adj.
ΚΠ
1802 G. Shaw Gen. Zool. III. ii. 549 Purpurascent Snake. Coluber Purpurascens... Violaceous-green Snake, with a pale line on each side [of] the abdomen.
1858 W. H. Harvey Nereis Boreali-Americana iii. 1 in Smithsonian Contrib. Knowl. 10 It would appear that these purpurascent Algæ are more removed from true Rhodosperms, notwithstanding the red colour of their spores, than from Chlorosperms.
1951 Ann. Missouri Bot. Garden 38 438 Achenes..glabrous, smooth, tawny to rubiginose or purpurascent.
1982 Brittonia 34 79 It differs from A[stragalus] oxyrrhynchus in its..impoverished raceme of lemon-yellow (not whitish purpurascent) flowers.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adj.1802
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