atomic mass unit

noun

Definition of atomic mass unit

: a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to ¹/₁₂ the mass of a single atom of the most abundant carbon isotope ¹²C

— called also dalton

Examples of atomic mass unit in a Sentence

Recent Examples on the Web

What’s more, the large compounds are likely fragments of even larger parent molecules that could weigh thousands of atomic mass units, Postberg says. — National Geographic, "Right Stuff for Life Found on Small Saturn Moon," 27 June 2018 Previously, Cassini detected lighter, gassy molecules such as methane and ethane, which contain one or two carbon atoms and a smattering of hydrogens; these molecules weigh in at around 15 atomic mass units. — National Geographic, "Right Stuff for Life Found on Small Saturn Moon," 27 June 2018

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More Definitions for atomic mass unit

atomic mass unit

noun

Medical Definition of atomic mass unit

: a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to ¹/₁₂ the mass of a single atom of the most abundant carbon isotope ¹²C

— called also dalton

atomic mass unit

Definition of atomic mass unit

Examples of atomic mass unit in a Sentence

First Known Use of atomic mass unit

Medical Definition of atomic mass unit

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