Ĭn'du-rāte1, v. i.
[imp. & p. p. INDURATED; p. pr. & vb. n. INDURATING.] [Lat. indurare, induratum, fr. prefix in and durare, to harden, from durus, hard; It. indurare, Pr. & Sp. endurar, Fr. endurer, endurcir.] To grow hard; to harden, or become hard; as, clay indurates by drying, and by extreme heat.