v.
Pronunciation: ' in-d ə - ˌ r ā t, -dy ə -
Function: verb
Inflected Form: -rat · ed ; -rat · ing
Etymology: Latin induratus, past participle of indurare, from in- + durare to harden, from durus hard ― more at DURING
Date: 1538
transitive verb
1 : to make unfeeling, stubborn, or obdurate
2 : to make hardy : INURE
3 : to make hard <great heat indurate s clay>
4 : to establish firmly : CONFIRM
intransitive verb
1 : to grow hard : HARDEN
2 : to become established