indurate

Verb

indurate (third-person singular simple present indurates, present participle indurating, simple past and past participle indurated)

1. To harden or to grow hard.
   • The ear, small and shapely, the arch of the foot, the curve in mouth and nostril, even the indurated hand dyed to the orange-tawny of the toucan's bill, a hand telling alike of the halyards and tar-bucket […] all this strangely indicated a lineage in direct contradiction to his lot.1924, Herman Melville, chapter 2, in Billy Budd, London: Constable & Co.
   • The superficial temporal artery (or arteries) may become exquisitely tender to the touch and visibly indurated.1970, Oliver Sacks, chapter 1, in Migraine, London: Picador, published 1995, page 15
2. To make callous or unfeeling.
   • Oh, no ! it is the curse of revolutionary calamities to indurate the heart — the revolutionary impulse is too swift to admit of a pause at the sight of individual misery — the tempest is too loud to hear the wailings of the wretch that perishes beneath its billows […]1801, Helen Maria Williams, Sketches of the State of Manners and Opinions in the French ..., Volume 1
3. To inure; to strengthen; to make hardy or robust.
   • The afternoon was not particularly warm: our noses and eyes were running; his were dry. He was evidently indurated against natural hardships.1992, Saul Bellow, “Winter in Tuscany”, in It All Adds Up: From the Dim Past to the Uncertain Future, New York: Viking, published 1994, page 257

Adjective

IPA/ɪnˈdjʊɹət/

indurate (comparative more indurate, superlative most indurate)

1. Hardened.
   • The doctor removed a lot of indurate skin from his wound.
2. Obstinate, unfeeling, callous.
   • Now are they indurate ⁊ tough as Pharao ⁊ will not bow vnto any ryghte waie oꝛ oꝛdꝛe.1528 October 12 (Gregorian calendar), William Tyndale, “A Compendious Rehersall of That Which Goeth Before”, in The Obediẽce of a Christen Man […], [Antwerp]: [Johannes Hoochstraten], →OCLC, folio...