a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used as a disinfectant and (in strong concentrations) as an oxidant in rocket fuels
a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
a substance that destroys micro-organisms that carry disease without harming body tissues
(extended sense) of exceptionally clean language; "lyrics as antiseptic as Sunday School"
clean and honest; "antiseptic financial practices"
thoroughly clean and free of or destructive to disease-causing organisms; "doctors in antiseptic green coats"; "the antiseptic effect of alcohol"; "it is said that marjoram has antiseptic qualities"
made free from live bacteria or other microorganisms; "sterilized instruments"
freeing from error or corruption; "the antiseptic effect of sturdy criticism"
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
discoloration of metal surface caused by oxidation
make dirty or spotty, as by exposure to air; also used metaphorically; "The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"