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molar1

[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.
Origin
1535-1545
1535-45; < Latin molāris grinder, short for (dēns) molāris grinding (tooth), equivalent to mol(a) millstone + -āris -ar1

molar2

[moh-ler] /ˈmoʊ lər/
adjective
1.
Physics. pertaining to a body of matter as a whole, as contrasted with molecular and atomic.
Origin
1860-65; < Latin mōl(ēs) a mass + -ar1

molar3

[moh-ler] /ˈmoʊ lər/
adjective, Chemistry
1.
pertaining to a solution containing one mole of solute per liter of solution.
2.
noting or pertaining to gram-molecular weight.
Origin
1860-65; mole4 + -ar1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for molar
  • And finally the process is repeated for the third molar, its papilla appearing about the fifth year of life.
  • The dental branches supply the molar and premolar teeth.
  • Two more chimpanzee teeth were later found at the site, an upper incisor and a tooth tentatively identified as a molar.
  • The height of the molar crowns increased, as did the number of enamel plates in the molars, and the tooth enamel thinned.
  • The team dentist identified it as a secondary molar with part of its root missing.
  • In others, the mountaintop topography is as obtuse as the crown of a molar.
  • Each molar has three distinct cusps that interlock when their jaw is closed, forming a sieve for straining krill from the water.
  • The hyoid bone isn't wide enough to receive muscle attachments from the rear of the jaw, where the last two molar teeth sit.
  • Pull up your dog's lip, and you'll see them: the first molar on the lower jaw, and the last premolar on the upper jaw.
  • Hey, did anybody notice that there's a giant molar buried south of the large crater.
British Dictionary definitions for molar

molar1

/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
Word Origin
C16: from Latin molāris for grinding, from mola millstone

molar2

/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
Word Origin
C19: from Latin mōlēs a mass
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for molar
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.

Online Etymology Dictionary, © 2010 Douglas Harper
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molar in Medicine

molar mo·lar1 (mō'lər)
adj.

  1. Relating to or being a solution that contains one mole of solute per liter of solution.

  2. Of, relating to, or characterizing the physical properties of a body of matter as a whole, especially the mass of a body, as opposed to the molecular or atomic properties.


  3. Abbr. M Of, relating to, or being a solution whose concentration is expressed as moles of solute per liter of solution.

  4. Containing one mole of a substance.

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.

  1. Of or relating to the molars.

  2. Capable of grinding.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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molar in Science
molar 1
  (mō'lər)   
Chemistry
  1. Relating to a mole.

  2. Containing one mole of solute per liter of solution.


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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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