Molar



[moh-ler] /ˈmoʊ lər/

noun
1.
Also called molar tooth. a tooth having a broad biting surface adapted for grinding, being one of twelve in humans, with three on each side of the upper and lower jaws.
adjective
2.
adapted for grinding, as teeth.
3.
pertaining to such teeth.
[moh-ler] /ˈmoʊ lər/
adjective
1.
Physics. pertaining to a body of matter as a whole, as contrasted with molecular and atomic.
[moh-ler] /ˈmoʊ lər/
adjective, Chemistry.
1.
pertaining to a solution containing one of solute per liter of solution.
2.
noting or pertaining to gram-molecular weight.
/ˈməʊlə/
noun
1.
any of the 12 broad-faced grinding teeth in man
2.
a corresponding tooth in other mammals
adjective
3.
of, relating to, or designating any of these teeth
4.
used for or capable of grinding
/ˈməʊlə/
adjective
1.
(of a physical quantity) per unit amount of substance: molar volume
2.
(not recommended in technical usage) (of a solution) containing one mole of solute per litre of solution
n.

“grinding tooth,” mid-14c., from Latin molaris dens “grinding tooth,” from mola “millstone,” from PIE root *mel- “to rub, grind” (see mill (n.1)). As an adjective in this sense from 1620s. In Old English they were cweornteð “quern-teeth.”
adj.

in chemistry, “pertaining to one mole,” 1902, from mole (4) + -ar.

molar mo·lar1 (mō’lər)
adj.

molar 2
n.
A tooth having a crown with three, four, or five cusps on the grinding surface, a bifid root in the lower jaw, and three conical roots in the upper jaw. In permanent dentition, there are three on either side behind the premolars; in deciduous dentition, there are two on either side behind the canines. adj.

molar 1
(mō’lər)
Chemistry

molar 2
(mō’lər)
Any of the teeth located toward the back of the jaws, having broad crowns for grinding food. Adult humans have 12 molars.

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  • Molar absorption coefficient

    molar absorption coefficient n. Symbol ε A spectrophotometric unit indicating the light a substance absorbs with respect to length, usually centimeters, and concentration, usually moles per liter.

  • Molar-heat-capacity

    noun, Thermodynamics. 1. the heat capacity of one mole of a substance.



  • Molarity

    [moh-lar-i-tee] /moʊˈlær ɪ ti/ noun, Chemistry. 1. the number of moles of solute per liter of solution. /mɒˈlærɪtɪ/ noun 1. another name (not in technical usage) for concentration (sense 4) molarity mo·lar·i·ty (mō-lār’ĭ-tē) n. Abbr. M The molar concentration of a solution, usually expressed as the number of moles of solute per liter of solution.

  • Molar mass

    noun the mass of a molecule in grams per mole, the sum of the component atomic masses; molecular weight Examples Molar masses (in grams) are therefore numerically equal to formula weights (in amu).



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