Dictionary.com

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.

QUIZZES

CAN YOU GUESS THESE WORDS FROM AROUND THE US?

American English is not always as it appears to be ... get to know regional words in this quiz!
Question 1 of 10
A bet is synonymous with a wager, but what does it mean in New York?
Often it means something is impossible.
It’s another way to agree with someone.
It serves as an apology.
TAKE THE QUIZ TO FIND OUT
Also called carbamidine, iminourea.

Origin of guanidine

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

Words nearby guanidine

Guangdong, Guangxi Zhuang, Guangxi Zhuang Autonomous Region, Guangzhou, Guangzhouwan, guanidine, guanine, guanine deaminase, guanine deoxyribonucleotide, guanine ribonucleotide, guano
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for guanidine

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