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单词 botryoidal
释义

botryoidaladj.

Brit. /ˌbɒtrɪˈɔɪdl/, U.S. /ˌbɑtriˈɔɪd(ə)l/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin botryoides , -al suffix1.
Etymology: < post-classical Latin botryoides botryoid adj. + -al suffix1. Compare earlier botryoid adj.
Resembling a bunch of grapes.
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the world > the earth > minerals > mineral structure or appearance > [adjective] > botryoidal
botryoida1728
botryoidal1748
staphyline1820
the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > spherical or globular > spheroidal > others spec. > a number joined together
botryoida1728
botriform1737
botryoidal1748
uvelloid1880
1748 J. Hill Gen. Nat. Hist. I. 608 This copper is also frequently of a botryoidal appearance.
1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 544 Earthy arseniate of cobalt..occurs in crusts, which are sometimes reniform or botryoidal.
1876 J. S. Bristowe Treat. Theory & Pract. Med. i. ii. 92 These increase in size by concentric additions to their surface, and presently coalesce into botryoidal masses.
1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) v. 67 The botryoidal tissue consists of a network of vessels, the channels of which are irregular in width.
2008 Rock & Gem Apr. 89/3 These Mexico malachites are a stunning, deep velvet green with typical botryoidal form.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online December 2021).
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adj.1748
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