1. (a.) Hardened; not soft; indurate.

2. (a.) Without sensibility; unfeeling; obdurate.

3. (v. t.) To make hard; as, extreme heat indurates clay; some fossils are indurate by exposure to the air.

4. (v. t.) To make unfeeling; to deprive of sensibility; to render obdurate.

5. (v. i.) To grow hard; to harden, or become hard; as, clay indurates by drying, and by heat.

anneal backed brutalize cake calcified calcify callous calloused case harden case-hardened concrete congeal cornify crusted crusty crystallized dry firm fossilize fossilized granulated harden hardened hornified incrusted indurated inure lapidified lapidify lithify ossified ossify petrified petrify reinforced rigidified sclerotic set solidified solidify steel steeled stiffened strengthened temper toughen toughened vitrified vitrify