bituminozni premog
1. bituminozni premog, parni premog, termalni premog
coal suitable for use under steam boilers [premog primeren za uporabo pod parnimi kotli]
2. mehki rjavi premog, plinarniški premog, bituminozni premog
rich in tarry hydrocarbons; burns readily with a smoky yellow flame [bogati z katranastimi ogljikovodiki; zlahka gori z dimno rumenim plamenom]