¹ Source: wiktionary.com
Definition of Opsins
1. opsin [n] - See also: opsin
Lexicographical Neighbors of Opsins
Literary usage of Opsins
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Natural History of Gems Or Decorative Stones by Charles William King (1867)
"... or opsins, who first discovered it in Ethiopia (xxxvi. 67). "It is extremely
black and sometimes translucent (in thin pieces), and, ..."
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