prōductĭo, ōnis, f. [produco].
I A lengthening , prolonging (class.): productio temporis, Cic. Fin. 3, 14, 45: verbi, id. Top. 8, 36.—
II A lengthening in pronunciation: ut aut contractione brevius fieret, aut productione longius, Cic. de Or. 3, 50, 196: voces aut productione aut correptione mutatae, Quint. 9, 3, 69; cf. id. 7, 9, 13.