[ hek-suh-muh-thoh-nee-uh m ]
/ ˌhɛk sə məˈθoʊ ni əm /

noun Pharmacology.

a compound, C10H24N2, used in the treatment of severe hypertension to lower blood pressure and increase blood flow by blocking transmission of nerve impulses that constrict blood vessels.

Origin of hexamethonium

First recorded in 1945–50; hexa- + meth(yl) + (amm)onium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019