molar1
n.
a grinding tooth at the back of a mammal's mouth.
Etymology
ME: from L. molaris, from mola ‘millstone’.
molar2
adj.
acting on or by means of large masses or units.
Etymology
C19: from L. moles ‘mass’ + -ar1.
molar3
adj.
Chemistry relating to one mole of a substance.
▸(of a solution) containing one mole of solute per litre of solvent.
Derivative