molar

molar /mo·lar/ (mo´lar)

1. pertaining to a mole of a substance.

2. a measure of the concentration of a solute, expressed as the number of moles of solute per liter of solution. Symbol M, , or mol/L.

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molar /mo·lar/ (M) (mo´lar)

1. see under tooth.

2. pertaining to a molar tooth.

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mo·lar ¹ (mlr)

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.

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mo·lar ² (mlr)

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.

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molar,

n 1. a reference solution in which the concentration is stated with regard to the number of gram molecular weights per liter of solution.
2. a tooth adapted for grinding by having a broad, somewhat ridged surface. It is one of the 12 teeth located in the posterior aspect of the maxillary and mandibular arches.

molar, mulberry,

n a malformed first molar with a crown, suggesting the appearance of a mulberry. It may be a manifestation of congenital syphilis, although other diseases affecting the enamel organ during morphodifferentiation may produce a similar lesion.

molar sheath,

n a rectangular metallic tube soldered or welded to the molar bands.

molars, second,

n the molars posterior to the first molars and anterior to the third molars (wisdom teeth); also known as 12-year molars.

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molar

1. massive; pertaining to a mass; not molecular.

2. adapted for grinding. See also molar teeth.

3. pertaining to an amount of substance specified in moles rather than mass units.

4. containing 1 mole of solute per liter of solution; symbol M.

note: molal refers to the mass of solvent, molar to the volume of the solution.

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molar extinction coefficient

constant n the equation describing the Lambert-Beer law pertaining to light spectrophotometry. Usually given the symbol e.

molar extractor

the universal heavy-duty plier-type instrument with jaws offset to the plane of the handles.

molar gland

see salivary gland.

inherited displacement of molar teeth

a deformity of the mandible with gross displacement of the teeth. Affected calves are not viable.

molar tooth

see molar teeth.

molar tooth cutter

long-handled, heavily constructed cutter, usually with a double-action scissor system of closing. The chisel-edged blades face each other and are brought together in parallel. They are operated from outside the mouth of the anesthetized horse and are sufficiently powerful to remove a protruding piece of tooth.