antiseptic A chemical that destroys or stops the growth of many microorganisms. Antiseptics are weak germicides that can be used on the skin. The surgeon Joseph Lister pioneered the use of antiseptics in 1863. One commonly used is ethanol (ethyl alcohol). See also antibiotic. Related category HEALTH AND DISEASE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |