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noun Biochemistry.
  1. a protein in the venom of pit vipers, used as an antigen in the preparation of snake antivenins.
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Origin of crotalin

< New 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 Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for crotalin

Historical Examples of crotalin

  • He also found both crotalin and crotalin solution to vary in activity.

    The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2


  • It was a combination of crotalin venom and ptomaine poisons, a very deadly mess.