| molar m. |
the mass of a molecule in grams (or kilograms) per mole, derived by addition of the sum of the component atomic masses. Its dimensionless equivalent is molecular weight.
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| molar p. |
conversion of the fertilized ovum into a mole.
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| molar s. |
a solution each liter of which contains 1 mole of solute per liter of solution: designated M/1 or 1 M. The concentration of other solutions may be expressed in relation to that of molar solutions as tenth-molar (M/10 or 0.1 M), etc.
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| molar t. |
the most posterior teeth on either side in each jaw, totaling 8 in the deciduous dentition (2 on each side, upper and lower), and usually 12 in the permanent dentition (3 on each side, upper and lower). They are the grinding teeth, having large crowns with broad chewing surfaces. The upper molars characteristically have 4 major cusps and three roots. The lower first molars characteristically have 5 cusps, and the remaining lower molars 4 cusps. Normally all lower molars have two roots. The third molars (“wisdom teeth”) are often malformed, but when developed normally their crown and root form corresponds in general with neighboring molars in the same jaw. Symbol M. Called also molars and dentes molares [TA].
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| molar t., third |
the tooth most distal to the medial line on either side in each jaw, so called because it is the last of the permanent dentition to erupt, usually at the age of 17 to 21 years. Called also wisdom t., third molar, dens molaris tertius [TA], and dens serotinus [TA alternative].
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