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单词 amygdule
释义

amygdulen.

/əˈmɪɡdjuːl/
Etymology: < Latin amygd(ala) almond + -ule suffix, after nodule, etc.
Geol.
(See quot.)
ΘΚΠ
the world > the earth > minerals > types of mineral > [noun] > other general types
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1877 J. Le Conte Elem. Geol. (1879) 211 Sometimes the filling has taken place very slowly by successive additions of different coloured material. Thus are formed the beautiful agate pebbles, or more properly, amygdules.
1882 A. Geikie Text-bk. Geol. ii. ii. ii. 62 Secondary minerals (amygdules) such as calcite, calcedony, quartz, and zeolites.
This entry has not yet been fully updated (first published 1884; most recently modified version published online November 2010).
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