ANTIBACTERIAL
antibacterial
(adjective) destroying bacteria or inhibiting their growth
antibacterial, antibacterial drug, bactericide
(noun) any drug that destroys bacteria or inhibits their growth
Source: WordNet® 3.1
Etymology
Adjective
antibacterial (not comparable)
(pharmaceutical effect) Killing or inhibiting bacteria.
(archaic) Opposing the theory that diseases are caused by bacteria.
Noun
antibacterial (plural antibacterials)
(pharmaceutical drug) A drug having the effect of killing or inhibiting bacteria.
Source: Wiktionary
An`ti*bac*te"ri*al, a. (Med.)
(a) Inimical to bacteria; -- applied esp. to serum for protection
against bacterial diseases.
(b) Opposed to the bacterial theory of disease.
Source: Webster’s Unabridged Dictionary 1913 Edition