noun bi·tu·mas·tic \ˌbī‧tyüˈmastik\

Definition of bitumastic



  1. :  a composition of asphalt and filler (such as asbestos shorts) used chiefly as a protective coating on structural metals exposed to weathering or corrosion

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Origin and Etymology of bitumastic

from Bitumastic, a trademark

Seen and Heard

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a rounded knoll or a ridge of ice

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