relative molecular mass

mass

 [mas]

1. a lump or collection of cohering particles.

2. that characteristic of matter that gives it inertia. Symbol m.

atomic mass atomic weight; see also atomic mass unit.

inner cell mass an internal cluster of cells at the embryonic pole of the blastocyst which develops into the body of the embryo.

lean body mass that part of the body including all its components except neutral storage lipid; in essence, the fat-free mass of the body.

relative molecular mass technically preferable term for molecular weight.

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 (M_r) is the mass relative to the dalton and has no units.
See also: atomic weight.

Synonym(s): molecular mass, molecular weight ratio, relative molecular mass

mo·lec·u·lar weight

(mŏ-lekyū-lăr wāt)

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 (M_r) is the mass relative to the dalton and has no units.
See also: atomic weight
Synonym(s): molecular weight ratio, relative molecular mass.

mo·lec·u·lar weight

(mol wt, MW) (mŏ-lekyū-lăr wāt)

The sum of the atomic weights of all the atoms constituting a molecule.
Synonym(s): molecular weight ratio, relative molecular mass.