a. rare [mod. f. Gr. χρόν-ος time + -AL.] Of or relating to time.
1875. M. A. Lower, Eng. Surnames (ed. 4), II. ii. 23. We … have said little or much, as each subject demanded, upon surnames, geographical, topographical … chronal … and historical.
1888. Linn. Soc. Jrnl., XX. 227. Chronal Segregation is Segregation arising from the relations in which the organism stands to times and seasons.
