methadone vs. methamphetamine

methadone

[meth-uh-dohn] / ˈmɛθ əˌdoʊn /

Also methadon

noun

Pharmacology.

a synthetic narcotic, C 2 1 H 2 8 ClNO, similar to morphine but effective orally, used in the relief of pain and as a heroin substitute in the treatment of heroin addiction.

methamphetamine

[meth-am-fet-uh-meen, -min] / ˌmɛθ æmˈfɛt əˌmin, -mɪn /

Pharmacology.

a central nervous system stimulant, C 1 0 H 1 5 N, used clinically in the treatment of narcolepsy, hyperkinesia, and for blood pressure maintenance in hypotensive states: also widely used as an illicit drug.