dalton
UK /ˈdɒltən/ · US /ˈdɔltən/ noun, proper noun
Forms daltons Doulton
- noun (physics) the atomic mass unit
- proper noun A habitational surname from Old English.
- proper noun John Dalton, English chemist.
- proper noun A male given name transferred from the surname.
- proper noun A hamlet in Burton-in-Kendal parish, Cumbria, England (OS grid ref SD5476).
- proper noun A hamlet and civil parish in West Lancashire district, Lancashire, England, north of Skelmersdale (OS grid ref SD4908).
- proper noun A hamlet in Hexhamshire parish, south of Hexham, Northumberland, England (OS grid ref NY9158).
- proper noun A hamlet in Stamfordham parish, west of Ponteland, Northumberland (OS grid ref NZ1172)
- proper noun A village and civil parish in North Yorkshire, England, previously in Hambleton district (OS grid ref SE4376).
- noun (chemistry) a former unit of atomic mass equivalent to 1/16 the mass of an oxygen atom; now replaced by the atomic mass unit (or dalton)
Synonyms
Etymology
Named after the chemist John Dalton.
From Old English dæl (“valley”) + tun (“settlement”). Equivalent to dale + town.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “dalton”, CC BY-SA 4.0. Details