molecular mass

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mo·lec·u·lar weight (mol wt, MW),

the sum of the atomic weights of all the atoms constituting a molecule; the mass of a molecule relative to the mass of a standard atom, now 12C (taken as 12.000). Relative molecular mass (Mr) is the mass relative to the dalton and has no units.
See also: atomic weight.

molecular mass

the mass of a molecule of a substance as compared with the mass of an atom of carbon-12. It is equal to the sum of the masses of its constituent atoms and is measured in daltons. Formerly called molecular weight. See also atom, atomic mass, molecule.


(mas) [L. massa, mass fr Gr. maza, (barley) cake]
1. A quantity of material, such as cells, that unite or adhere to each other.
2. Soft solid preparation for internal use and of such consistency that it may be molded into pills.
3. A fundamental scalar property of an object that describes the amount of acceleration an object will have when a given force is applied to it. The metric unit of mass is the kilogram. One kilogram equals 2.205 pounds. See: weight
4. Large, extensive, or encompassing an entire organ or population group (e.g., a mass vaccination).

cell mass

In embryology, the mass of cells that develops into an organ or structure.

epithelial mass

The inner portion of a developing gonad enclosed within the germinal epithelium.

fat mass

Total body fat. It can be measured with dual energy absorptiometry or bioelectrical impedance techniques.

fat-free mass

The lean body mass plus the skeletal mass.

formula mass

Gram molecular mass.

gram molecular mass

The mass or weight in grams of a substance equal to its molecular mass/weight.
Synonym: formula mass; gram molecular weight

inner cell mass

In embryology, the group of cells within the blastocyst from which the embryo, yolk sac, and amnion develop.
See: blastocyst

intermediate cell mass

A plate of nonsegmented mesoderm lying lateral to the segments (somites) and connecting them to the nonsegmented lateral mesoderm. Synonym: nephrotome

lateral mass of the atlas

The parts of the first cervical vertebra that articulate with the occipital bone superiorly and the axis inferiorly.

lean body mass

The weight of the body minus the fat content. It includes bones, muscles, and internal organs.

molecular mass

Molecular weight.

molecular mass,

References in periodicals archive ?
From the results of the current study, it can be concluded that SSAET program with RMM is more effective strategy compared with routine medical management in the management of deranged lipid profile in patients with T2DM.
1) Design of hybridproportional + derivative controller with desired gravity compensation and the iterative learning control approach for a 4-degree-of-freedom (DOF) nonlinear, complex, and uncertain RMM under bounded actuators' inputs.
Drop probabilities of P and B packets are equal to the failure probabilities because there is no retransmission for P and B packets with the RMM method.
Donde RMMAe es la Razon de mortalidad materna acumulada estandarizada de cada Departamento colombiano para cada ano (2000, 2005 y 2008) y RMM es la Razon de mortalidad materna para el referente del mundo con la RMM mas baja para los mismos anos, como se menciono anteriormente (12,13).
This means that the auditor will continue to refine the assessment of RMM and audit procedures applied until sufficient evidence is obtained to achieve the desired level of audit risk, as well as make conclusions regarding individual accounts or assertions and the overall financial statements.
In the very beginning," said Mercado "I started RMM (Ralph Mercado Management) and the other companies because I loved the music.
RMM solutions not only accelerate recovery time, but also can play a valuable role in building physician and patient trust in the continued quality and safety of a company's pharmaceutical products.
RMM processes not only accelerate recovery time, but also can play a valuable role in building consumer confidence in the continued quality and safety of a company's products.
In a letter to chief executives of insurance companies, FSA managing director John Tiner said firms could apply to waive or modify particular rules which form part of the existing RMM calculations.
42 Table 3 Cost/tonne for various items necessary to mine an orebody Item C$/t RMM C$/t BSM I.