Destructive of life; particularly pertaining to microorganisms. ... Origin: bio-+ L. Caedo, to kill ... (05 Mar 2000) ... 
(bi″o-si´dәl) destructive to living organisms; see also antibiotic.
Type: Term Pronunciation: bī′ō-sī′dăl Definitions: 1. Destructive of life; particularly pertaining to microorganisms.
biocide, biocidal 1. Destructive of life; particularly pertaining to microorganisms. 2. A chemical toxic or other lethal process that kills or destroys living organisms; such as, a pesticide, herbicide, or fungicide.