antiseptic

Universal Words noun, adjective noun [C,U] a substance that helps to prevent infection in wounds by killing bacteria SYNDISINFECTANT: a mild / strong / powerful antiseptic * Use antiseptic to clean and dress cuts. * Dab the graze with antiseptic. adjective 1 able to prevent infection: antiseptic cream / lotion / wipes * Essential oils have powerful antiseptic properties. 2 very clean and free from bacteria SYNSTERILE: Cover the burn with an antiseptic dressing. * antiseptic surgery