Igneous and Slag

Igneous adjective - Produced by the action of fire or intense heat.

Slag and igneous are semantically related in produced by volcanic heat topic. In some cases you can use "Slag" instead an adjective "Igneous".

Slag verb - To express one's unfavorable opinion of the worth or quality of.

Igneous and slag are semantically related in produced by volcanic heat topic. Sometimes you can use "Igneous" instead an adjective "Slag".