guanidine
noun
gua·ni·dine
ˈgwä-nə-ˌdēn 
: 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
The drug is a derivative of guanidine, a compound found in Goat's Rue, an herbal medicine long used in Europe.
—
Allison Aubrey, NPR, 22 Apr. 2024
Metformin, a synthesized version of guanidine, was first used as a diabetes treatment in France in the 1950s and was finally approved in the United States in 1995.
—Liz Seegert, Fortune Well, 4 May 2023
Galega contains guanidine, which, in 1918, was shown to lower blood glucose.
—Liz Seegert, Fortune Well, 4 May 2023
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, 15 May 2018
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Allison Aubrey, NPR, 22 Apr. 2024
Metformin, a synthesized version of guanidine, was first used as a diabetes treatment in France in the 1950s and was finally approved in the United States in 1995.
—Liz Seegert, Fortune Well, 4 May 2023
Galega contains guanidine, which, in 1918, was shown to lower blood glucose.
—Liz Seegert, Fortune Well, 4 May 2023
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, 15 May 2018
Dictionary Entries Near guanidine
Cite this Entry
“Guanidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guanidine. Accessed 1 Dec. 2024.
Copy CitationMedical Definition
guanidine
noun
gua·ni·dine
ˈgwän-ə-ˌdēn
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share