S.T.I.
Noun
Meaning
S.T.I. (plural S.T.I.s or S.T.I.'s)
(pathology) Initialism of sexually transmitted infection; also STI.
Synonym: S.T.D.
Noun
S.T.I. (plural S.T.I.s or S.T.I.'s)
(pathology) Initialism of sexually transmitted infection; also STI.
Synonym: S.T.D.