- semibituminous coal
-
/sem"ee bi tooh"meuh neuhs, -tyooh"-, sem"uy-, sem'ee-, sem'uy-/a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.[1855-60; SEMI- + BITUMINOUS]
* * *
Universalium. 2010.