guanidine

[ gwan-i-deen, -din, gwah-ni- ]

/ ˈgwæn ɪˌdin, -dɪn, ˈgwɑ nɪ- /

noun Chemistry.

a colorless, crystalline, strongly alkaline, water-soluble solid, CH5N3, used chiefly in the manufacture of plastics, resins, rubber accelerators, and explosives.

Nearby words

guangdong, guangxi zhuang, guangxi zhuang autonomous region, guangzhou, guangzhouwan, guanidine, guanine, guanine deaminase, guanine deoxyribonucleotide, guanine ribonucleotide, guano

Origin of guanidine

First recorded in 1860–65; guan(o) + -id³ + -ine²

Also called carbamidine, iminourea.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for guanidine

The principle of the method is based upon the fact that guanidine is precipitated by mercurous oxide.
Poisons: Their Effects and Detection|Alexander Wynter Blyth

British Dictionary definitions for guanidine

guanidine

guanidin (ˈɡwɑːnɪdɪn, ˈɡwænɪ-)

/ (ˈɡwɑːnɪˌdiːn, -dɪn, ˈɡwænɪ-) /

noun

a strongly alkaline crystalline substance, soluble in water and found in plant and animal tissues. It is used in organic synthesis. Formula: HNC(NH 2) 2Also called: carbamidine, iminourea

Word Origin for guanidine

C19: from guano + -id ³ + -ine ²

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