• synonyms


[thahy-uh-si-nam-in, -sin-uh-meen]
noun Chemistry.
  1. a white, crystalline, water-soluble, bitter-tasting powder, C4H8N2S, occurring in mustard oil: used chiefly in organic synthesis.
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Origin of thiosinamine

1850–55; thio- + Greek sín(āpi) mustard + -amine
Also called allylthiourea.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thiosinamine

Historical Examples

  • A basic substance formed, along with sulphide of lead, when thiosinamine is treated with oxide of lead.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley

British Dictionary definitions for thiosinamine


  1. a white crystalline bitter-tasting compound with a slight garlic-like odour, occurring in mustard oil and used in organic synthesis; 1-allyl-2-thiourea. Formula: CH 2 :CHCH 2 NHCSNH 2
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Word Origin

C19: from thio- + sin- (from Latin sināpis mustard) + amine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012