(pharmacology) a monoclonal antibody that targets prostate tumors

(syntax) A theoretical phonologically null pronoun

plural of Pro

plural of PRO

Abbreviation of Proverbs.

Initialism of pressure retarded osmosis. / (medicine) Initialism of patient-reported outcome.

(slang) A prostitute.

(UK, slang, archaic) A proproctor.

An advantage of something, especially when contrasted with its disadvantages (cons). / A person who supports a concept or principle.

In favor of.