heat indurates clay
1Indurate — In du*rate, v. t. [imp. & p. p. {Indurated}; p. pr. & vb. n. {Indurating}.] [1913 Webster] 1. To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air. [1913 Webster] 2. To make unfeeling; to deprive of… …
2Indurated — Indurate In du*rate, v. t. [imp. & p. p. {Indurated}; p. pr. & vb. n. {Indurating}.] [1913 Webster] 1. To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air. [1913 Webster] 2. To make unfeeling; to… …
3Indurating — Indurate In du*rate, v. t. [imp. & p. p. {Indurated}; p. pr. & vb. n. {Indurating}.] [1913 Webster] 1. To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air. [1913 Webster] 2. To make unfeeling; to… …
4indurate — I. adjective Date: 14th century physically or morally hardened II. verb ( rated; rating) Etymology: Latin induratus, past participle of indurare, from in + durare to harden, from durus hard more at during Date: 1538 …
5harden — 1 Harden, solidify, indurate, petrify, cake are comparable when they mean to make or to become physically hard or solid. Harden usually expresses an opposition to soften and therefore may be as often used of the process as of the effect. The term …
6Indurate — In du*rate, v. i. To grow hard; to harden, or become hard; as, clay indurates by drying, and by heat. [1913 Webster] …