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crotalin

[kroht-l-in] /ˈkroʊt l ɪn/
noun, Biochemistry
1.
a protein in the venom of pit vipers, used as an antigen in the preparation of snake antivenins.
Origin
< Neo-Latin Crotal(us) a genus of rattlesnakes, from whose venom the protein was extracted (< Latin crotalum < Greek krótalon rattle) + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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