Definition of indurate

• a. - Hardened; not soft; indurated.
• a. - Without sensibility; unfeeling; obdurate.
• v. t. - To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air.
• v. t. - To make unfeeling; to deprive of sensibility; to render obdurate.
• v. i. - To grow hard; to harden, or become hard; as, clay indurates by drying, and by heat.