Indurate /(?)/

1. Hardened; not soft; indurated.
2. Without sensibility; unfeeling; obdurate.

imp. & p. p. Indurated; p. pr. & vb. n. Indurating

1. To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air.
2. To make unfeeling; to deprive of sensibility; to render obdurate.

1. To grow hard; to harden, or become hard; as, clay indurates by drying, and by heat.