Similarity of adj pyrogenous

2 senses of pyrogenous

Sense 1
pyrogenic, pyrogenous, pyrogenetic -- (produced by or producing fever)

Sense 2
igneous, pyrogenic, pyrogenous -- (produced under conditions involving intense heat; "igneous rock is rock formed by solidification from a molten state; especially from molten magma"; "igneous fusion is fusion by heat alone"; "pyrogenic strata")