from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make hard; harden: soil that had been indurated by extremes of climate.
- transitive v. To inure, as to hardship or ridicule.
- transitive v. To make callous or obdurate: "It is the curse of revolutionary calamities to indurate the heart” ( Helen Maria Williams).
- intransitive v. To grow hard; harden.
- intransitive v. To become firmly fixed or established.
- adj. Hardened; obstinate; unfeeling.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Indurated, obstinate, unfeeling, callous.
- v. to harden or to grow hard
- v. to make callous or unfeeling
- v. to inure; to strengthen; to make hardy or robust.
from the GNU version of the Collaborative International Dictionary of English
- adj. Hardened; not soft; indurated.
- adj. Without sensibility; unfeeling; obdurate.
- transitive v. To make hard
- transitive v. To make unfeeling; to deprive of sensibility; to render obdurate.
- intransitive v. To grow hard; to harden, or become hard.
from The Century Dictionary and Cyclopedia
- To grow hard; harden; become hard: as, clay indurates by drying and by extreme heat.
- To become fixed or habitual; pass into use; inure.
- To make hard: as, extreme heat indurates clay.
- To make hard in feeling; deprive of sensibility; render obdurate.
- Hardened; unfeeling; indurated.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. cause to accept or become hardened to; habituate
- v. become hard or harder
- adj. emotionally hardened
- v. become fixed or established
- v. make hard or harder
Latin indūrāre, indūrāt- : in-, intensive pref.; see in-2 + dūrus, hard; see deru- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)