Dictionary
hex•a•me•tho•ni•um
Pronunciation: (hek"su-mu-thō'nē-um), [key]—
n. Pharm.
a compound, C
10H
24N
2, 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.