Ex*tinc"tion (?), n. [L. extinctio, exstinction: cf. F. extinction.]
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.
State of being extinguished or of ceasing to be; destruction; suppression; as, the extinction of life, of a family, of a quarrel, of claim.
© Webster 1913.