molar (Adjective) — Of or pertaining to the grinding teeth in the back of a mammal's mouth. ex. "molar teeth"
molar (Adjective) — Designating a solution containing one mole of solute per litre of solution.
molar (Adjective) — Containing one mole of a substance. ex. "molar weight"
molar (Adjective) — (psychology) pertaining to large units of behaviour. ex. "such molar problems of personality as the ego functions"
molar (Noun) — Grinding tooth with a broad crown; located behind the premolars.