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py•ro•bi•tu•men



Pronunciation: (pī"rō-bi-tOO'mun, -tyOO'-, -bich'oo-), [key]
n.
any of the dark, solid hydrocarbons including peat, coal, and bituminous shale.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

pyropyroborate

 

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