- 1. Capable of destroying pathogenic microorganisms or inhibiting their growth activity. 2. An agent that possesses this property.- complete d. a d. that kills both vegetative forms and spores.- incomplete d. a d. that kills only the vegetative forms, leaving the spores uninjured.
* * *dis·in·fec·tant -'fek-tənt n an agent that frees from infection esp a chemical that destroys vegetative forms of harmful microorganisms (as bacteria and fungi) esp. on inanimate objects but that may be less effective in destroying sporesdisinfectant adj serving or tending to disinfect: suitable for use in disinfecting
* * *n.an agent that destroys or removes bacteria and other microorganisms and is used to cleanse surgical instruments and other objects. Examples are cresol, hexachlorophene, and phenol. Dilute solutions of some disinfectants may be used as antiseptic or as preservatives in solutions of eye drops or injections.
* * *dis·in·fec·tant (dis″in-fekґtənt) 1. an agent that disinfects; applied particularly to agents used on inanimate objects. Cf. antimicrobial and antiseptic. 2. freeing from infection.
Medical dictionary. 2011.