(pharmacology) A synthetic opioid, a diastereoisomer of alphacetylmethadol.

(pharmacology) The international nonproprietary name of beta-carotene when used as a drug.

(pharmacology) Povidone-iodine, used as a topical antiseptic.

plural of betaherpesvirus

Any of the subfamily Betaherpesvirinae of DNA viruses.

The presence of betacyanin in the urine; beeturia.

plural of betacism

(phonology) A sound change in which [b] (the voiced bilabial plosive) shifts to [v] (the voiced labiodental fricative).

The action of a beta blocker.

Any of the genus Betabaculovirus of viruses in the family Baculoviridae.