[mo.lar] n [ME molares, pl., fr. L molaris, fr. molaris of a mill, fr. mola millstone--more at mill] (14c): a tooth with a rounded or flattened surface adapted for grinding; specif: one of the cheek teeth in mammals behind the incisors and canines--see tooth illustration
[2]molar adj (1626) 1: pulverizing by friction: grinding
2: of, relating to, or located near the molar teeth [3]molar adj [[5]mole] (1902) 1: of or relating to a mole of a substance "the ~ volume of a gas"
2: containing one mole of solute in one liter of solution -- mo.lar.i.ty n