verb (used with object)
to make hard; harden, as rock, tissue, etc.: Cold indurates the soil.
to make callous, stubborn, or unfeeling: transgressions that indurate the heart.
to inure; accustom: to indurate oneself to privation and suffering.
to make enduring; confirm; establish: to indurate custom through practice.
verb (used without object)
to become hard; harden.
to become established or confirmed.
hardened; unfeeling; callous; inured.
Origin: 1375–1425; late Middle English indurat Related forms
< Latin indūrātus
past participle of indūrāre
to harden. See in-2