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).

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). < adj.1836
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