Definition of constituent noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//kənˈstɪtjuənt//
    ; NAmE NAmE//kənˈstɪtʃuənt//
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  1. 1a person who lives, and can vote in a constituency She has the full support of her constituents.
  2. 2one of the parts of something that combine to form the whole Silicon and oxygen are the fundamental constituents of rocks in the earth’s crust. Tar is a harmful constituent of tobacco smoke. Vitamins are natural food constituents which are essential in helping to maintain good health.
  3. Word Originlate 15th cent. (as a noun denoting a person who appoints another as agent): from Latin constituent- (partly via French constituant) ‘establishing, appointing’, from the verb constituere, from con- ‘together’ + statuere ‘set up’.
See the Oxford Advanced American Dictionary entry: constituent