Ex*tinc"tion (?), n. [L.
extinctio, exstinction: cf. F. extinction.]
1. The act of extinguishing or making extinct; a
putting an end to; the act of putting out or destroying light, fire,
life, activity, influence, etc.
2. State of being extinguished or of ceasing
to be; destruction; suppression; as, the extinction of life,
of a family, of a quarrel, of claim.