[ adjective uhs-chuh-lit, -leyt; verb, uhs-chuh-leyt ]

  1. colored or blackened as if scorched.

verb (used with object),us·tu·lat·ed, us·tu·lat·ing.
  1. Obsolete. to burn; sear; scorch.

Origin of ustulate

First recorded in 1615–25; from Latin ūstulātus, past participle of ūstulāre “to scorch, burn,” derivative of ūrere “to burn”; see -ate1; cf. ember

Words Nearby ustulate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023