1. plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz (Freq. 1) • Derivationally related forms: granitic • Hypernyms: batholith, batholite, pluton, plutonic rock • Substance Meronyms: silicon, Si, atomic number 14 2. something having the quality of granite (unyielding firmness)(Freq. 1) - a man of granite • Derivationally related forms: granitic • Hypernyms: steadiness, firmness