What Does The Prefix Pro Mean?
What Does The Prefix Pro Mean? What does the prefix pro mean? pro- prefix (1) Definition of pro- (Entry 6 of 7) 1a : earlier than : prior to : before prothalamion. b : rudimentary : prot- pronucleus. Does the prefix pro mean before? updated on November 22, 2020. word-forming element meaning “forward, forth, toward