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单词 rimiform
释义

rimiformadj.

Brit. /ˈrɪmᵻfɔːm/, U.S. /ˈrɪməˌfɔrm/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin rīma , -iform comb. form.
Etymology: < classical Latin rīma cleft, crack, fissure (see rima n.) + -iform comb. form.
Chiefly Botany.
Resembling a cleft or narrow channel; cleft-like, slit-like; (also) having a cleft or furrow.
ΘΚΠ
the world > plants > part of plant > part defined by form or function > [adjective] > divided, segmented, slashed, or lobed
lobated1703
quinquefid1703
lobousa1722
biparted1725
tripartite1753
lobate1760
octofid1760
septemfid1777
parted1785
triquadrifid1833
rimiform1837
slashed1839
lobulate1862
bipartite1864
palmilobed1876
pentafid1882
segmented1883
lobose1885
torn1888
triquinate1891
sectile1899
1837 B. H. Hodgson in Jrnl. Asiatic Soc. Bengal 6 i. 361 Falconinae. Nares transverse, rimiform, with the cere behind them membranous and free.
1879 W. A. Leighton Lichen-flora (ed. 3) 393 Epithecium rimiform, margins thick, convex.
1926 Trans. Amer. Microsc. Soc. 45 85 The opening in the wall of the oogonium may be a pore, round and mouth-like..or rimiform..in which case the species is poriferous.
1985 Bryologist 88 133/1 The soralia are consistently smaller, sometimes slightly rimiform and contain smaller soredia.
1997 A. L. Takhtajan Diversity & Classif. Flowering Plants 184/1 Anthers opening by rimiform pores.
2005 J. Huxley & A. Pentecost in D.M. John et al. Freshwater Algal Flora Brit. Isles 430 Cells cylindrical.., opening by a median, rimiform (cleft-like) pore.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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adj.1837
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