molar

¹

[ moh-ler ]

noun

1. Also called molar 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

1. adapted for grinding, as teeth.
2. pertaining to such teeth.

molar

²

[ moh-ler ]

adjective

1. Physics. pertaining to a body of matter as a whole, as contrasted with molecular and atomic.

molar

³

[ moh-ler ]

adjective

, Chemistry.

1. pertaining to a solution containing one mole of solute per liter of solution.
2. noting or pertaining to gram-molecular weight.

molar

¹

/ ˈməʊlə /

noun

1. any of the 12 broad-faced grinding teeth in man
2. a corresponding tooth in other mammals

adjective

1. of, relating to, or designating any of these teeth
2. used for or capable of grinding

molar

²

/ 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

molar

¹

/ mō′lər /

1. Any of the teeth located toward the back of the jaws, having broad crowns for grinding food. Adult humans have 12 molars.

molar

²

/ mō′lər /

1. Relating to a mole.
2. Containing one mole of solute per liter of solution.

Word History and Origins

Origin of molar¹

First recorded in 1350–1400; Middle English molares (plural), from Latin molāris “grinding tooth, molar,” equivalent to mol(a) “millstone, mill” + -āris -ar ¹

Origin of molar²

First recorded in 1860–65; from Latin mōl(ēs) “a lump; large mass” + -ar ¹

Origin of molar³

First recorded in 1860–65; mole ⁴ + -ar ¹

Word History and Origins

Origin of molar¹

C16: from Latin molāris for grinding, from mola millstone

Origin of molar²

C19: from Latin mōlēs a mass

Example Sentences

Miniconus jeanninae was distinguished by an unusual extra cusp on its molars.

From Popular-Science

Conacodon hettingeri is set apart from its close relatives by several features, including a comparatively short lobe on its last molar.

From Popular-Science

The mammoth DNA was extracted from three molars unearthed in the 1970s from permafrost in northeast Siberia.

From Science News

That’s how the team found the kitten’s unerupted molars, a clue that this cat was less than five months old.

From Science News For Students

That’s how the team found the kitten’s unerupted molars, a clue that the animal was under five months old.

From Science News

The weights themselves give us directly their gram-molecular or molar weights.

From Project Gutenberg

For the purpose of comparison the activity and the conductivity of molar hydrochloric acid are both represented by 100.

From Project Gutenberg

The concentrations are figurative, but may be taken to represent actual concentrations, such as 0.015 molar, etc.

From Project Gutenberg

All the bases were used in 0.025 molar concentration, and their degrees of ionization are given in the last column of the table.

From Project Gutenberg

In the following table180 are given the molar conductivities, (column 2), of acetic acid of varying concentrations, m (column 1).

From Project Gutenberg