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单词 ooidal
释义

ooidaladj.

Brit. /əʊˈɔɪdl/, U.S. /ˌoʊˈɔɪd(ə)l/
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ᾠοειδής , -al suffix1.
Etymology: < ancient Greek ᾠοειδής egg-shaped (see ooid n.) + -al suffix1. With sense 2 compare earlier ovoidal adj.
1. Physical Anthropology. Of the type of a person's head: egg-shaped; oval. Obsolete.
ΘΚΠ
the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > spherical or globular > spheroidal > oval, ovoid, or ellipsoidal
oval1585
egg-like1599
ovalish1684
oviform1684
subovate1752
egg-shaped1767
almond-shapeda1771
subovated1773
ovicular1774
ovate1775
ovoid1776
egg-oblong1796
subovoid1819
ovaliform1826
ovoidal1828
ellipsoidal1831
amygdaloid1835
ooidal1836
oliviform1857
ovoid-shaped1860
ellipsoid1861
ovaloid1890
1836 J. C. Prichard Res. Physical Hist. Mankind (ed. 3) I. ii. v. §2. 281 This form of skull, I shall term..the oval or ooidal form.
1866 J. Beddoe Physical Char. Jewish Race (ed. 2) 5 Most of those who in other respects had a strikingly Jewish or Semitic aspect, had long ooidal heads.
1886 Jrnl. Anthropol. Inst. 15 35 It is said to be observed that Majer and Kopernicki considered that the ooidal head went with blonde hair.
2. Geology. Of a rock: consisting of or containing ooids.
ΚΠ
1972 Gloss. Geol. (Amer. Geol. Inst.) 494/1 Ooid... Adj: ooidal.
1975 Bull. Amer. Assoc. Petroleum Geologists 59 524/2 Ooidal grains..commonly appear as though they were fragmented with conspicuous secondary or even Tertiary oolitic overgrowth.
1989 Sedimentol. 36 345/2 Later diagenesis has greatly altered many ooidal grainstones, but ooids within intraclasts are virtually unaffected.
1995 Geol. Jrnl. 30 145 The preservation of ooidal ironstones around the dome suggest that it may have become a large shoal or platformal area at this time.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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adj.1836
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更新时间:2024/9/23 11:15:54