premolar UK /ˈpriːməʊlə/US /ˈpriːmoʊlɚ/adjective 1noun 1forms 1 adjective1 •Before a molar tooth, either in physical position or in its time of development; deciduous. noun1 •A tooth located in front of the molars, especially the bicuspid tooth between the cuspids and molars in humans.He opened and let out a hogo of medicinal rum and beer. The bad tooth was a premolar. — 1980 formspremolars
