EXPONENT n. 2 definitions
o, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles. Exponent of a ratio, the quotient arising when the antecedent is divided by the consequent; thus, 6 is the exponent of the ratio of 30 to 5. [R.]
EXPOST FACTO; EXPOSTFACTO n.
From or by an after act, or thing done afterward; in consequence of a subsequent act; retrospective. Ex post facto law, a law which operates by after enactment. The phrase is popularly applied to any law, civil or criminal, which is enacted with a retrospective effect, and with intention to produce that effect; but in…