Dictionary
meth•a•done
Pronunciation: (meth'u-dōn"), [key]—
n. Pharm.
a synthetic narcotic, C
21H
28ClNO, similar to morphine but effective orally, used in the relief of pain and as a heroin substitute in the treatment of heroin addiction.
Also,meth•a•donPronunciation: (meth'u-don"). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.