dalton

D2A1L1T1O1N1
UK/ˈdɒltən/UK/ˈdɔːltən/US/ˈdɔltən/cot caught merger/ˈdɑltən/

noun

the atomic mass unit

Less commonScrabble 7

Meanings

dalton1

noundalton (plural daltons)

plural daltons

  1. natural sciencesthe atomic mass unit

Dalton2

proper noun

alternative Doulton

  1. A habitational surname from Old English.
    1. John Dalton, English chemist.
  2. A male given name transferred from the surname.

    In 2015, Katie and Dalton Prager became known around the world as “the real ‘Fault in Our Stars’ couple” after CNN wrote about their love story.

    2019 March 15, Elizabeth Cohen, “New film’s love story recalls tragic tale of a real-life ‘Fault in Our Stars’ couple”, in CNN
  3. Any of several places in the north of England and in Scotland:
    1. A hamlet in Burton-in-Kendal parish, Cumbria, England (OS grid ref SD5476).
    2. A hamlet and civil parish in West Lancashire district, Lancashire, England, north of Skelmersdale (OS grid ref SD4908).
    3. A hamlet in Hexhamshire parish, south of Hexham, Northumberland, England (OS grid ref NY9158).
    4. A hamlet in Stamfordham parish, west of Ponteland, Northumberland (OS grid ref NZ1172)
    5. A village and civil parish in North Yorkshire, England, previously in Hambleton district (OS grid ref SE4376).
    6. A village and civil parish in North Yorkshire, previously in Richmondshire district (OS grid ref NZ1108).
    7. A village and civil parish in the Metropolitan Borough of Rotherham, South Yorkshire, England (OS grid ref SK4594).
    8. An eastern suburb of Huddersfield, Metropolitan Borough of Kirklees, West Yorkshire, England (OS grid ref SE1617).
    9. A hamlet in Dumfriesshire, Dumfries and Galloway council area, Scotland (OS grid ref NY1174).
    10. A hamlet near Flemington, South Lanarkshire council area, Scotland (OS grid ref NS6658).
  4. A number of places in the United States:
  5. An abandoned village in Unorganized North Algoma District, Ontario, Canada; some buildings are used as summer cottages.
  6. A locality in the Upper Lachlan council area, south eastern New South Wales, Australia.
  7. A settlement (moshav) in northern Israel.
  8. abbreviationellipsisEllipsis of Dalton Highway.
nounDalton (plural Daltons)

plural Daltons · alternative Doulton

  1. chemistrya 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 & antonyms

Origin

dalton · noun

Named after the chemist John Dalton.

Full word history & related roots →

Dalton · proper noun, noun

  1. Old Englishdæl“valley”
  2. EnglishDalton

From Old English dæl (“valley”) + tun (“settlement”). Equivalent to dale + town.

Full word history & related roots →

Translations

Finnish dalton
  • daltonatomic mass unit
Greek ντάλτον
  • ντάλτον (ntálton)atomic mass unit
Hungarian dalton
  • daltonatomic mass unit
Polish dalton
  • daltonatomic mass unit

Rhymes & wordplay

Rhymes with dalton

All rhymes →

Sounds the same

Anagrams

Cite this entry
APA

dalton. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dalton

MLA

“dalton.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dalton. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dalton,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dalton.

Source: dalton on Wiktionary, CC BY-SA 4.0.