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guanidine

noun
gua·​ni·​dine | \ ˈgwä-nə-ˌdēn How to pronounce guanidine (audio) \

Definition of guanidine

: a base CH5N3 derived from guanine that in the form of its hydrochloride acts as a parasympathetic stimulant and is used especially to denature proteins

Examples of guanidine in a Sentence

Recent Examples on the Web

 Using a main ingredient of sodium hydroxide, lithium hydroxide, potassium hydroxide, or guanidine hydroxide, chemical relaxers break and restructure the bonds in curly hair so that the hair becomes weaker and straight. — Ashley Weatherford, The Cut, "The Everything Guide to Keratin Treatments," 15 May 2018

First Known Use of guanidine

circa 1864, in the meaning defined above

History and Etymology for guanidine

International Scientific Vocabulary, from guanine

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More Definitions for guanidine

guanidine

noun
gua·​ni·​dine | \ ˈgwän-ə-ˌdēn How to pronounce guanidine (audio) \

Medical Definition of guanidine

: a base CH5N3 that is derived from guanine, is found especially in young tissues, and is used in organic synthesis and that in the form of its hydrochloride CH5N3·HCl is used as a drug to enhance acetylcholine activity

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