costiformadj.

Brit.

/ˈkɒstᵻfɔːm/, U.S.

/ˈkɔstəˌfɔrm/,

/ˈkɑstəˌfɔrm/

Forms: 1800s costaeform (irregular), 1800s– costiform.

Origin: A borrowing from French. Etymon: French costiforme.

Etymology: < French costiforme (1818 or earlier) < classical Latin costa rib (see costa n.¹) + French -iforme -iform comb. form. Compare scientific Latin costiformis (1831 or earlier).In form costaeform after classical Latin costae, genitive singular of costa.

Having the form of a rib or costa; rib-like. Cf. costa n.¹

ΚΠ

1827 J. Bell & C. Bell Anat. & Physiol. Human Body (ed. 5) I. 53 At about the second month and a half it is manifested in the costiform appendix [Fr. l'appendice costiforme] of the seventh vertebra.

1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 672/2 The vertebriform iliac bones become joined to the costiform pubic.

1875 J. Smith Historia Filicum ii. 104 The species of this genus are similar to Phymatodes, but the well-defined costæform veins, thickened and notched margin, marks them as being worthy of being adopted as a distinct group.

1902 Trans. S. Afr. Philos. Soc. 12 603 The first three dorsal intervals are not so sharply costiform.

1993 Trans. Amer. Entomol. Soc. 119 293 Elytra 1.6 x longer than wide, humeri prominent, intervals costiform.

2009 C. H. Ernst & J. E. Lovich Turtles U.S. & Canada (ed. 2) 537 The nuchal bone lacks lateral costiform processes.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online June 2022).

单词	costiform
释义	costiformadj. Brit. /ˈkɒstᵻfɔːm/, U.S. /ˈkɔstəˌfɔrm/, /ˈkɑstəˌfɔrm/ Forms: 1800s costaeform (irregular), 1800s– costiform. Origin: A borrowing from French. Etymon: French costiforme. Etymology: < French costiforme (1818 or earlier) < classical Latin costa rib (see costa n.¹) + French -iforme -iform comb. form. Compare scientific Latin costiformis (1831 or earlier).In form costaeform after classical Latin costae, genitive singular of costa. Having the form of a rib or costa; rib-like. Cf. costa n.¹ ΚΠ 1827 J. Bell & C. Bell Anat. & Physiol. Human Body (ed. 5) I. 53 At about the second month and a half it is manifested in the costiform appendix [Fr. l'appendice costiforme] of the seventh vertebra. 1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 672/2 The vertebriform iliac bones become joined to the costiform pubic. 1875 J. Smith Historia Filicum ii. 104 The species of this genus are similar to Phymatodes, but the well-defined costæform veins, thickened and notched margin, marks them as being worthy of being adopted as a distinct group. 1902 Trans. S. Afr. Philos. Soc. 12 603 The first three dorsal intervals are not so sharply costiform. 1993 Trans. Amer. Entomol. Soc. 119 293 Elytra 1.6 x longer than wide, humeri prominent, intervals costiform. 2009 C. H. Ernst & J. E. Lovich Turtles U.S. & Canada (ed. 2) 537 The nuchal bone lacks lateral costiform processes. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online June 2022). < adj.1827
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