subtriangularadj.

Brit.

/ˌsʌbtrʌɪˈaŋɡjᵿlə/, U.S.

/ˌsəbtraɪˈæŋɡjələr/

Origin: A borrowing from Latin. Etymon: Latin subtriangularis.

Etymology: < post-classical Latin subtriangularis (1751 or earlier in scientific context; 1659 or earlier in non-scientific context) < sub- sub- prefix + triangularis triangular adj. Compare later subtriangulate adj. N.E.D. (1915) indicates the stress as ˈsubtriˌangular.

Chiefly Zoology and Botany.

Approaching the form of a triangle; somewhat triangular.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [adjective] > triangular > approximately

subtriangular1769

trianguloid18..

subtriangulate1830

1769 J. Berkenhout Outl. Nat. Hist. Great Brit. & Ireland I. 201 Anomia..Crispa..Subtriangular, rough, plicated.

1787 E. Darwin et al. tr. C. Linnaeus et al. Families of Plants II. 763 Calodendron... Seeds two in each cell, subtriangular.

1824 C. Dubois Epit. Lamarck's Arrangem. Testacea 45 The Mactræ..are marine shells..almost always subtriangular.

1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 192 The exoccipitals..are very irregular subtriangular bones.

1881 W. G. Smith in Nature 28 Apr. 605/1 A sub-triangular wedge-shaped implement.

1958 W. E. Swinton Fossil Amphibians & Reptiles (ed. 2) ix. 65 (figure) Usually rounded, they are in some species subtriangular.

1997 G. S. Helfman et al. Diversity of Fishes xi. 169 (caption) The dorsal fin is a single, spineless, subtriangular structure that serves as an antiroll device.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subtriangular
释义	subtriangularadj. Brit. /ˌsʌbtrʌɪˈaŋɡjᵿlə/, U.S. /ˌsəbtraɪˈæŋɡjələr/ Origin: A borrowing from Latin. Etymon: Latin subtriangularis. Etymology: < post-classical Latin subtriangularis (1751 or earlier in scientific context; 1659 or earlier in non-scientific context) < sub- sub- prefix + triangularis triangular adj. Compare later subtriangulate adj. N.E.D. (1915) indicates the stress as ˈsubtriˌangular. Chiefly Zoology and Botany. Approaching the form of a triangle; somewhat triangular. ΘΚΠ the world > space > shape > angularity > specific angular shape > [adjective] > triangular > approximately subtriangular1769 trianguloid18.. subtriangulate1830 1769 J. Berkenhout Outl. Nat. Hist. Great Brit. & Ireland I. 201 Anomia..Crispa..Subtriangular, rough, plicated. 1787 E. Darwin et al. tr. C. Linnaeus et al. Families of Plants II. 763 Calodendron... Seeds two in each cell, subtriangular. 1824 C. Dubois Epit. Lamarck's Arrangem. Testacea 45 The Mactræ..are marine shells..almost always subtriangular. 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 192 The exoccipitals..are very irregular subtriangular bones. 1881 W. G. Smith in Nature 28 Apr. 605/1 A sub-triangular wedge-shaped implement. 1958 W. E. Swinton Fossil Amphibians & Reptiles (ed. 2) ix. 65 (figure) Usually rounded, they are in some species subtriangular. 1997 G. S. Helfman et al. Diversity of Fishes xi. 169 (caption) The dorsal fin is a single, spineless, subtriangular structure that serves as an antiroll device. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1769
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