noun us·tu·la·tion \ˌəs(h)chəˈlāshən\

Definition of ustulation



  1. 1 :  the action of burning or searing

  2. 2 :  an operation formerly used in chemistry of expelling one substance from another (as sulfur from an ore) by heat in a muffle

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Origin and Etymology of ustulation

Medieval Latin ustulation-, ustulatio, from Latin ustulatus (past participle of ustulare to burn slightly, scorch, from assumed Latin ustulus slightly burned, from Latin ustus, past participle of urere to burn) + -ion-, -io -ion

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capable of being understood in two ways

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