Dalton meaning

dôl'tən
1766-1844; Eng. chemist & physicist.
proper name
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(physics) The atomic mass unit.
noun
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Any of several places in the north of England and in Scotland.
pronoun
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A habitational surname​.
pronoun
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John Dalton, English chemist.
pronoun
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A male given name transferred from the surname.
pronoun
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(chemistry) A former unit of atomic mass equivalent to 1/16 the mass of an oxygen atom; now replaced by the atomic mass unit (dalton)
noun
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Origin of dalton

Old English dæl “valley” + tun “settlement”.