dalton

noun

dal·​ton ˈdȯl-tᵊn 

: 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

Medical Definition

dalton

noun

dal·​ton ˈdȯlt-ᵊn 

: 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 

city in northwestern Georgia population 33,128

Biographical Definition

Dalton

biographical name

Dal·​ton ˈdȯl-tᵊn 

John 1766–1844 English chemist and physicist