- A constituent element, as of a system. See synonyms at element.
- A part of a mechanical or electrical complex.
- Mathematics. One of a set of two or more vectors having a sum equal to a given vector.
- Any of the minimum number of substances required to specify completely the composition of all phases of a chemical system.
Being or functioning as a constituent or an ingredient.
[From Latin compōnēns, compōnent-, present participle of compōnere, to put together : com-, com- + pōnere, to put.]
componential com'po·nen'tial (kŏm'pə-nĕn'shəl) adj.


