There are 3 main definitions of molar in English:

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molar1

Line breaks: molar
Pronunciation: /ˈməʊlə
 
/
(also molar tooth)

noun

A grinding tooth at the back of a mammal’s mouth.
Example sentences
  • The teeth most often missing are the third molars, second premolars, and maxillary lateral incisors, and other teeth may be reduced in size.
  • The location of early caries is found most often in children's maxillary incisors and first molars.
  • The medical name for wisdom teeth is the third molars.

Origin

late Middle English: from Latin molaris, from mola 'millstone'.

More
  • mill from (Old English):

    Early mills ground corn into flour using water or wind power. The root of mill is Latin molere ‘to grind’, also the source of meal ‘the edible part of any grain or pulse’, and molar (Middle English) the grinding tooth. Since the early 19th century people have been able to put someone through the mill, or cause them to have a difficult experience. A millstone (Old English) is a large circular stone used to grind corn. The origins of a millstone around your neck, ‘a heavy burden of responsibility’, lie in a far more unpleasant practice. It is thought to come from an ancient method of execution which involved throwing a person into deep water with a heavy stone attached to their neck.

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There are 3 main definitions of molar in English:

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molar2

Line breaks: molar
Pronunciation: /ˈməʊlə
 
/

adjective

Relating to mass; acting on or by means of large masses or units.
Example sentences
  • This demonstration exploits biophysical models of energy flux coupled with molar balance models of mass flux and GIS-based information on climate, topography, and vegetation.
  • He couldn't even find the molar mass of water.
  • The experiments with the solids mostly involve oxidation reactions, measuring the water of hydration, and finding the molar mass by titration.

Origin

mid 19th century: from Latin moles 'mass' + -ar1.

More
  • mill from (Old English):

    Early mills ground corn into flour using water or wind power. The root of mill is Latin molere ‘to grind’, also the source of meal ‘the edible part of any grain or pulse’, and molar (Middle English) the grinding tooth. Since the early 19th century people have been able to put someone through the mill, or cause them to have a difficult experience. A millstone (Old English) is a large circular stone used to grind corn. The origins of a millstone around your neck, ‘a heavy burden of responsibility’, lie in a far more unpleasant practice. It is thought to come from an ancient method of execution which involved throwing a person into deep water with a heavy stone attached to their neck.

Definition of molar in:

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There are 3 main definitions of molar in English:

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molar3

Line breaks: molar
Pronunciation: /ˈməʊlə
 
/

adjective

Chemistry
1Relating to one mole of a substance.
Example sentences
  • The enthalpy change that occurs during the complete combustion of one mole of a substance is called the molar heat of combustion, symbolized H c o.
  • Uncharged polar and even ionic dyes with substantial molar weights have often been used to trace apoplastic water movement.
  • Another substantial advantage is that volume fractions and molar concentrations are easily interconvertible, making comparison with experimental papers easier.
1.1(Of a solution) containing one mole of solute per litre of solution.
Example sentences
  • The section on the interconversion of molal and molar solutions needs to be reworded.
  • An example of this would be describing a solution as a 1 molar solution, or saying it had a strength of 1 M.
  • In this case a solution that was 0.9 molar in trehalose and sucrose was examined for a sample at known spacing as described for water.

Derivatives

molarity

1
Pronunciation: /məˈlarɪti/
noun
Example sentences
  • If the solvent used is water the molarity and the molality are essentially the same.
  • The titrated volume and molarity of the base can be used to determine the acid concentration.
  • The absolute molar concentration was such that when dissolved in the final volume of aqueous buffer the solution had a total lipid plus cholesterol molarity of 2 mM.

Definition of molar in:

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