dalton /dal·ton/ (D) (Da) (dawl´ton) an arbitrary unit of mass, being 1/12 the mass of the nuclide of carbon-12, equivalent to 1.657 × 10−24 g.
dalton
dal·ton (dôl t n)n. See atomic mass unit. |
dalton
Etymology: John Dalton, English chemist and mathematician, 1766-1844
1 an unofficial unit of atomic mass, based on 1/16 of the gram mass of oxygen, now based on 1/12 the mass of carbon-12.
2 (in biochemistry) unit (kilodaltons) that expresses the molecular weight (mass) of proteins and nucleic acids. See also atomic mass.
dalton
an arbitrary unit of mass, being one-twelfth the mass of the nuclide of carbon-12, equivalent to 1.657 × 10−24 g. Called also atomic mass unit.
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