mass number

noun

Definition of mass number

: an integer that approximates the mass of an isotope and designates the number of nucleons in the nucleus

Examples of mass number in a Sentence

Recent Examples on the Web

Madhavan added that in rural areas, young girls might drop out of school in mass numbers. — Jessie Yeung, CNN, "India has just five years to solve its water crisis, experts fear. Otherwise hundreds of millions of lives will be in danger," 28 June 2019 An initial look at comments supporting the blackout repeal didn’t indicate similar issues with fake names or mass numbers of identical letters. — Paul Overberg, WSJ, "The NFL’s Other Problem: Fake Fans Lobbying for the Blackout," 7 Sep. 2018

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More Definitions for mass number

mass number

noun

Medical Definition of mass number

: an integer that approximates the mass of an isotope and that designates the number of nucleons in the nucleus the symbol for carbon of mass number 14 is ¹⁴C or C¹⁴ — compare atomic mass

mass number

Definition of mass number

Examples of mass number in a Sentence

First Known Use of mass number

Medical Definition of mass number

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