/
ɪkˈspəʊnənt,
ɛk-/
n.
- a promoter of an idea or theory.
- a person who does a particular thing skilfully.
- Mathematics the power to which a given number or expression is raised (e.g. 3 in 23 = 2 × 2 × 2).
- Linguistics a linguistic unit that realizes another, more abstract unit.
Etymology
C16 (as adj. in the sense ‘expounding’): from L. exponent-, exponere (see expound).