Word family noun demonstration demonstrator adjective demonstrable demonstrative verb demonstrate adverb demonstrably demonstratively
From King Dictionary of Contemporary Englishdemonstratordem‧on‧stra‧tor /ˈdemənstreɪtə $ -ər/ ●○○ AWL noun [countable] 1 PROTESTsomeone who takes part in a demonstration anti-war demonstrators2 EXPLAINsomeone who shows people how to do something or how something works
Examples from the Corpus
demonstratorSome 157 demonstrators were subsequently convicted of a range of offences and were sentenced to up to 20 years' imprisonment.By the end of July, 23 demonstrators had been killed and several wounded by security forces.Troops entered the hotel and arrested an estimated 1,500 demonstrators, many of whom were beaten before being taken away.Fortunately, the 75 demonstrators in front of the country club were colorful.Club activities centre on monthly meetings, an information service and the production of application demonstrators.We expected the march in the District to be huge, with hundreds of thousands of demonstrators attending.Mary and Reggie came in, smiling, and glowing with that special look of the successful demonstrator.Thirteen demonstrators were killed when soldiers opened fire on the crowd.Right-wing groups fired on left-wing demonstrators.