Definition of: constituent

(kən·stich′·ənt) adjective
1. Serving to form or compose as a necessary part; constituting: Chlorine and sodium are the constituent elements of salt.
2. Entitled to vote for a public officer or representative.
3. Having the power to frame or modify a constitution.
—noun
1. One represented politically or in business; a voter; client.
2. A necessary part of a chemical compound: distinguished from component. See synonyms under PART. [<L constituens, -entis, ppr. of constituere. See CONSTITUTE.]