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单词 subtriangulate
释义

subtriangulateadj.

Brit. /ˌsʌbtrʌɪˈaŋɡjᵿlət/, U.S. /ˌsəbtraɪˈæŋɡjələt/
Origin: Formed within English, by derivation. Etymons: sub- prefix, triangulate adj.
Etymology: < sub- prefix + triangulate adj. Compare earlier subtriangular adj.
Chiefly Entomology.
= subtriangular adj.
ΘΚΠ
the world > space > shape > angularity > specific angular shape > [adjective] > triangular > approximately
subtriangular1769
trianguloid18..
subtriangulate1830
1830 Trans. Albany Inst. 1 55 The palpus..is composed of a small peduncle supporting a sub-triangulate, dilated segment.
1849 Hardy in Hist. Berwickshire Naturalists' Club 2 vii. 361 Head sub-triangulate.
1913 T. D. A. Cockerell Observ. Fish Scales 148 The trout perch..has broad subtriangulate scales.
1999 Coleopterists Bull. 53 194 Metatibia thickened and expanded distally, thus appearing sub-triangulate.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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adj.1830
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