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单词 obovoid
释义

obovoidadj.

Brit. /ɒbˈəʊvɔɪd/, U.S. /ɑbˈoʊˌvɔɪd/
Origin: Formed within English, by derivation. Etymons: ob- prefix, ovoid adj.
Etymology: < ob- prefix + ovoid adj. Compare earlier obovate adj.
Chiefly Botany.
Obovate in cross-section; inversely ovoid.
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the world > life > biology > physical aspects or shapes > shape > [adjective] > other shapes
plummet-like1605
semilunar1681
cordated1698
cordate1760
obcordate1775
club-shaped1776
flabelliform1777
obovate1785
button-shaped1791
clavate1803
placentiform?a1808
obovoid1819
valviform1819
constricted1826
vulviform1829
mitrate1836
bipenniform1842
sandaliform1848
scopiform1852
obclavate1856
obcordiform1857
oboval1857
utriform1860
broadsword-shaped1870
placentoid1885
hypsiloid1886
1819 G. Samouelle Entomologist's Compend. 276 Antennæ inserted near the mouth, the first joint obovoid.
1870 J. D. Hooker Student's Flora Brit. Islands 361 Cypripedium Calceolus..lip..obovoid.
1954 Amer. Midland Naturalist 52 464 Leading from each ovisac and passing into the anterior of the elongated, somewhat obovoid, median albumen gland..is a short right and left oviduct.
1993 Mycologia 85 660 The second species with obovoid sporangiola, D[ichotomocladium] floridianum, was isolated from dung in Gainesville, Florida.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.1819
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