Etymology
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Words related to molar

mole (n.4)

unit of molecular quantity, 1902, from German Mol coined 1900 by German chemist Wilhelm Ostwald, short for Molekül (see molecule).

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-ar 

word-formation element meaning "pertaining to, of the nature of," from Latin -arem, -aris "of the kind of, belonging to," a secondary form (by dissimilation) of -alis, used after syllables with an -l- (such as insularis for *insulalis, stellaris for *stellalis).

*mele- 

*melə-, Proto-Indo-European root meaning "to crush, grind," with derivatives referring to ground or crumbling substances and crushing or grinding instruments.

It forms all or part of: amyl; amyloid; blintz; emmer; emolument; immolate; maelstrom; mall; malleable; malleolus; mallet; malleus; maul; meal (n.2) "edible ground grain;" mill (n.1) "building fitted to grind grain;" millet; mola; molar (n.); mold (n.3) "loose earth;" molder; ormolu; pall-mall.

It is the hypothetical source of/evidence for its existence is provided by: Hittite mallanzi "they grind;" Armenian malem "I crush, bruise;" Greek mylos "millstone," myle "mill;" Latin molere "to grind," mola "millstone, mill," milium "millet;" Old English melu "meal, flour;" Albanian miel "meal, flour;" Old Church Slavonic meljo, Lithuanian malu, malti "to grind;" Old Church Slavonic mlatu, Russian molotu "hammer."

premolar (n.)

"premolar tooth," 1841, from pre- "before" + molar. Related: Premolars.