vitalitas

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

vītālĭtas, ātis, f. [vita],

vital force , life , vitality : durat in corde, Plin. 11, 37, 69, § 182; so id. 11, 38, 90, § 221; 11, 45, 103, § 250.