euhedraladj.
/juːˈhiːdrəl//juːˈhɛdrəl/ = idiomorphic adj.
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the world > the earth > minerals > mineral structure or appearance > [adjective] > crystalline > specific crystal
idiomorphic1887
automorphic1888
hypidiomorphic1888
euhedral1906
idioblastic1908
peloidal1933
the world > matter > chemistry > crystallography (general) > crystal (general) > structures and forms > [adjective] > idiomorphic
idiomorphic1887
automorphic1888
euhedral1906
1906 J. P. Iddings Rock Minerals ii. 64 Euhedral, well faced, completely bounded by crystal planes, automorphic, idiomorphic.
1913 G. A. J. Cole Outl. Mineral. ii. 20 The individual crystal in such cases is sometimes said to be anhedral, because it has no good bounding planes, in opposition to the well-crystallised or euhedral forms.
This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2018).
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adj.1906- screwcutter
- screwcuttinglathe
- screwdollar
- screwdown
- screwdrive
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- screwdriver
- screwdriver operation
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- screwed
- screwed and chopped
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