I. ˈmō-lər noun
Etymology: Middle English molares, plural, from Latin molaris, from molaris of a mill, from mola millstone — more at mill
Date: 14th century
: a tooth with a rounded or flattened surface adapted for grinding ; specifically : one of the cheek teeth in mammals behind the incisors and canines — see tooth illustration
II. adjective
Date: 1626
1. : pulverizing by friction : grinding
2. : of, relating to, or located near the molar teeth
III. adjective
Etymology: mole (V)
Date: 1902
1. : of or relating to a mole of a substance
the molar volume of a gas
2. : containing one mole of solute in one liter of solution
• mo·lar·i·ty mō-ˈla-rə-tē noun