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单词 ramiform
释义

ramiformadj.

Brit. /ˈramᵻfɔːm/, U.S. /ˈræməˌfɔrm/
Origin: A borrowing from Latin. Etymon: Latin ramiformis.
Etymology: < post-classical Latin ramiformis (1758 or earlier) < classical Latin rāmus branch (see ramus n.) + -formis -form comb. form2. Compare French ramiforme (1837 or earlier).
Having a branched structure; branched, branching.
ΘΚΠ
the world > space > shape > other specific shapes > [adjective] > like (branches of) a tree
ramose1673
arborescent1679
dendrical1758
dendritic1816
dendritical1822
ramiform1833
dendroidal1840
dendroid1846
dendriform1847
dendrodic1849
1833 A. B. Granville Graphical Illustr. Abortion & Dis. Menstruation p. viii The fibrils of the Chorion have generally been considered as filiform vessels. When examined with the microscope, they appear diaphanous and ramiform.
1853 E. K. Kane U.S. Grinnell Exped. xlviii. 449 The water gorges were more ramiform.
1866 Philos. Trans. (Royal Soc.) 156 48 Boiled with water and silver carbonate, ethacetic acid yields..a crop of beautiful ramiform needle-like crystals.
1930 J. Townsend tr. G.-H. Luquet Art & Relig. Fossil Man ii. 38 I am inclined to range in the same category of sculptured jewels the magnificent piece of ivory from Mas d'Azil (Lower Magdalenian), sculptured with wild goats and ramiform incisions.
1960 K. Esau Anat. Seed Plants vi. 56 The sclereids of pear and quince often show the so-called branched, or ramiform, pits resulting from a fusion of one of more cavities during the increase in thickness of the wall.
1995 Nature 27 Apr. 761/2 The recent reconstructions of some conodont assemblages,..with grasping ramiform (‘S’ and ‘M’) elements and transversally biting pectiniform (‘P’) elements, may fit a ‘rasping tongue’.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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adj.1833
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