treble

Universal Words noun, verb, determiner, adjective noun 1 [U] the high tones or part in music or a sound system: to turn up the treble on the stereo * the piping treble of childish voices compareBASS 2 [C] a child's high voice; a boy who sings with a treble voice compareSOPRANO 3 [sing.] a musical part written for a treble voice 4 [sing.] (BrE) three successes in a row: The victory completed a treble for the horse's owner. verb to become, or to make sth, three times as much or as many SYNTRIPLE [V] Cases of food poisoning have trebled in the last two years. * [VN] He trebled his earnings in two years. determiner [usuallybeforenoun] three times as much or as many: Capital expenditure was treble the 1998 level. adjective [onlybeforenoun] high in tone: a treble voice * the treble clef (= the symbol in music showing that the notes following it are high) compareBASS