[f. as prec. + -ATION.]
1. The action of making more outward. nonce-use, after deterioration.
a. 1831. A. Knox, Rem. (1834), I. 66. To a person … much occupied in inward converse with God, there is something felt of comparative exterioration in … the more public means.
2. ‘The physiological cerebral act by which the sensation produced by an impression on any part of the course of a nerve is referred to its terminal extremity’ (Syd. Soc. Lex., 1884).
