Dalton

//ˈdɔltən// name, noun

name, noun ·Moderate ·College level

Definitions

Noun
  1. 1
    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)
  2. 2
    the atomic mass unit
Proper Noun
  1. 1
    A habitational surname from Old English.
  2. 2
    A habitational surname from Old English.; John Dalton, English chemist.
  3. 3
    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."

  4. 4
    Any of several places in the north of England and in Scotland:; A hamlet in Burton-in-Kendal parish, Cumbria, England (OS grid ref SD5476).
  5. 5
    Any of several places in the north of England and in Scotland:; A hamlet and civil parish in West Lancashire district, Lancashire, England, north of Skelmersdale (OS grid ref SD4908).
Show 28 more definitions
  1. 6
    Any of several places in the north of England and in Scotland:; A hamlet in Hexhamshire parish, south of Hexham, Northumberland, England (OS grid ref NY9158).
  2. 7
    Any of several places in the north of England and in Scotland:; A hamlet in Stamfordham parish, west of Ponteland, Northumberland (OS grid ref NZ1172)
  3. 8
    Any of several places in the north of England and in Scotland:; A village and civil parish in North Yorkshire, England, previously in Hambleton district (OS grid ref SE4376).
  4. 9
    Any of several places in the north of England and in Scotland:; A village and civil parish in North Yorkshire, previously in Richmondshire district (OS grid ref NZ1108).
  5. 10
    Any of several places in the north of England and in Scotland:; A village and civil parish in the Metropolitan Borough of Rotherham, South Yorkshire, England (OS grid ref SK4594).
  6. 11
    Any of several places in the north of England and in Scotland:; An eastern suburb of Huddersfield, Metropolitan Borough of Kirklees, West Yorkshire, England (OS grid ref SE1617).
  7. 12
    Any of several places in the north of England and in Scotland:; A hamlet in Dumfriesshire, Dumfries and Galloway council area, Scotland (OS grid ref NY1174).
  8. 13
    Any of several places in the north of England and in Scotland:; A hamlet near Flemington, South Lanarkshire council area, Scotland (OS grid ref NS6658).
  9. 14
    A number of places in the United States:; A city, the county seat of Whitfield County, Georgia.
  10. 15
    A number of places in the United States:; A township and unincorporated community therein, in Wayne County, Indiana.
  11. 16
    A number of places in the United States:; An unincorporated community in Sumner County, Kansas.
  12. 17
    A number of places in the United States:; A town in Berkshire County, Massachusetts.
  13. 18
    A number of places in the United States:; A township in Muskegon County, Michigan.
  14. 19
    A number of places in the United States:; A minor city in Otter Tail County, Minnesota.
  15. 20
    A number of places in the United States:; A small village in Chariton County, Missouri.
  16. 21
    A number of places in the United States:; A village in Cheyenne County, Nebraska.
  17. 22
    A number of places in the United States:; A town in Coos County, New Hampshire.
  18. 23
    A number of places in the United States:; A hamlet and census-designated place in Nunda and Portage, Livingston County, New York.
  19. 24
    A number of places in the United States:; An unincorporated community in Stokes County, North Carolina.
  20. 25
    A number of places in the United States:; A village in Wayne County, Ohio.
  21. 26
    A number of places in the United States:; A borough in Lackawanna County, Pennsylvania.
  22. 27
    A number of places in the United States:; A census-designated place in Kingston, Green Lake County, Wisconsin.
  23. 28
    An abandoned village in Unorganized North Algoma District, Ontario, Canada; some buildings are used as summer cottages.
  24. 29
    A township within Kawartha Lakes, Ontario.
  25. 30
    A village in KwaZulu-Natal, South Africa.
  26. 31
    A locality in the Upper Lachlan council area, south eastern New South Wales, Australia.
  27. 32
    A settlement (moshav) in northern Israel.
  28. 33
    Ellipsis of Dalton Highway. abbreviation, alt-of, ellipsis

Synonyms

All synonyms
atomic mass unitatomic mass unitjohn daltonunified atomic mass unit

Example

More examples

"John Dalton created the Atomic Theory."

Etymology

Etymology 1

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

Etymology 2

Named after the chemist John Dalton.

Related phrases

Dalton HolmeDalton Town with NewtonDalton-in-FurnessDalton-on-Teesatomic mass unitcounty seatwhitfield county

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.