a. Med. [ad. Gr. ἀλλοιωτικ-ός fit for changing; f. ἀλλοι-οῦν to change; f. ἀλλoῖ-oς of different kind; f. ἄλλος other, different.] Capable of bringing about a change in the constitution (technically allœōsis); alterative.
1853. in Mayne, Exp. Lex.
1879. in Syd. Soc. Lex.