Etymology

dalton

D2A1L1T1O1N1

Today it means: 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) Full definition →

Old English dæl
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dalton · noun1

Named after the chemist John Dalton.

Dalton · proper noun, noun2

  1. Old English · derived fromdæl“valley”
  2. English todayDalton

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

Words from the same roots

Old Englishdæl all →

dealdaleBlithedaleRidsdale

Etymology from Wiktionary, CC BY-SA 4.0.