There are 2 main definitions of dalton in English:


Syllabification: dal·ton
Pronunciation: /ˈdôltn


A unit used in expressing the molecular weight of proteins, equivalent to atomic mass unit.
More example sentences
  • Sterically unhindered because its molecular weight is 527 daltons, Argatroban neutralizes the active serine catalytic site of both free and bound thrombin.
  • Determination of the mass spectrum of LCP-J8 resulted in a calculated molecular weight of 14,158.45 daltons.
  • Lepirudin is composed of 65 or 66 amino acids and has a molecular weight of 7000 daltons.


1930s: named after John Dalton (see Dalton, John).

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