1. (n.) The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

2. (n.) A treatise on petrology.

Newtonian physics acoustics aerophysics applied physics astrophysics basic conductor physics biophysics chemical physics cryogenics cytophysics electron physics electronics electrophysics geology geophysics macrophysics mathematical physics mechanics medicophysics microphysics mineralogical chemistry mineralogy mining engineering mining geology natural philosophy natural science nuclear physics optics petrochemistry petrography petrology philosophy physic physical chemistry physical science physicochemistry physicomathematics physics psychophysics radiation physics radionics solar physics solid-state physics statics stereophysics theoretical physics thermodynamics zoophysics