INDURATE Meaning of INDURATE in English v. 1 tr. & intr. make or become hard. 2 tr. make callous or unfeeling. 3 intr. become inveterate. induration n. indurative adj.[ L indurare (as IN-(2), durus hard) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012