dalton

noun

dal·​ton ˈdȯl-tᵊn How to pronounce dalton (audio)
: atomic mass unit
used chiefly in biochemistry

Word History

Etymology

John Dalton †1844 English chemist

First Known Use

circa 1928, in the meaning defined above

Time Traveler
The first known use of dalton was circa 1928

Dictionary Entries Near dalton

Cite this Entry

“Dalton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dalton. Accessed 27 Mar. 2023.

Medical Definition

dalton

noun
dal·​ton ˈdȯlt-ᵊn How to pronounce dalton (audio)
: a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to ¹/₁₂ of the atomic mass of the most abundant carbon isotope 12C : atomic mass unit
used chiefly in biochemistry
abbreviation d

Geographical Definition

Dalton

geographical name

Dal·​ton ˈdȯl-tᵊn How to pronounce Dalton (audio)
city in northwestern Georgia population 33,128

Biographical Definition

Dalton

biographical name

Dal·​ton ˈdȯl-tᵊn How to pronounce Dalton (audio)
John 1766–1844 English chemist and physicist

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