Definitions for "Indurate"
Hardened; not soft; indurated.
Without sensibility; unfeeling; obdurate.
To make unfeeling; to deprive of sensibility; to render obdurate.
Heavily sclerotized or calcified, and often rough.
Keywords:  fossils, clay, exposure, extreme, hard
To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air.
Keywords:  established, fixed, customs
become fixed or established; "indurated customs"