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 very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
capable of being influenced or formed; "the plastic minds of children"; "a pliant nature"
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"