obpyramidaladj.

Brit.

/ɒbpᵻˈramᵻdl/, U.S.

/ɑbpəˈræməd(ə)l/,

/ɑbˌpɪrəˈmɪd(ə)l/

Origin: Formed within English, by derivation. Etymons: ob- prefix, pyramidal adj.

Etymology: < ob- prefix + pyramidal adj. Compare French obpyramidal (1868 in Littré).

Chiefly Botany.

Inversely pyramidal; of the form of an inverted pyramid.

ΚΠ

1858 G. Bentham Handbk. Brit. Flora Introd. 22 Fruits, seeds, tubers, or other parts of plants not flattened like leaves, are..obpyramidel when tapering downwards.

1865 A. Winchell & O. Marcy Enumeration of Fossils collected in Niagara Limestone at Chicago, Illinois 87 Actinocrinus obpyramidalis W. & M... Body pentangularly obpyramidal.

1973 Ann. Missouri Bot. Garden 60 113 Flowers abundant, calyx obpyramidal, ca. 3.5 mm long and wide.

1995 Amer. Jrnl. Bot. 82 (Suppl.) 132 Uniquely, the obpyramidal seeds of Lagestroemia are winged by a unilateral extension from the raphal side of the seed.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	obpyramidal
释义	obpyramidaladj. Brit. /ɒbpᵻˈramᵻdl/, U.S. /ɑbpəˈræməd(ə)l/, /ɑbˌpɪrəˈmɪd(ə)l/ Origin: Formed within English, by derivation. Etymons: ob- prefix, pyramidal adj. Etymology: < ob- prefix + pyramidal adj. Compare French obpyramidal (1868 in Littré). Chiefly Botany. Inversely pyramidal; of the form of an inverted pyramid. ΚΠ 1858 G. Bentham Handbk. Brit. Flora Introd. 22 Fruits, seeds, tubers, or other parts of plants not flattened like leaves, are..obpyramidel when tapering downwards. 1865 A. Winchell & O. Marcy Enumeration of Fossils collected in Niagara Limestone at Chicago, Illinois 87 Actinocrinus obpyramidalis W. & M... Body pentangularly obpyramidal. 1973 Ann. Missouri Bot. Garden 60 113 Flowers abundant, calyx obpyramidal, ca. 3.5 mm long and wide. 1995 Amer. Jrnl. Bot. 82 (Suppl.) 132 Uniquely, the obpyramidal seeds of Lagestroemia are winged by a unilateral extension from the raphal side of the seed. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.1858
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