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 Mass customization is all about creating a mass number of products that are all different, tailored specifically for each individual customer. John Clemons, Forbes, 21 Apr. 2022 The Wisconsin Department of Agriculture, Trade and Consumer Protection is reminding consumers of their right to a refund given the mass number of cancellations because of COVID-19. Hope Karnopp, Milwaukee Journal Sentinel, 11 Aug. 2021 Somehow, the mass number of people upgrading to Big Sur on Thursday seems to have caused the servers at ocsp.apple.com to become overloaded but not fall over completely. Dan Goodin, Ars Technica, 16 Nov. 2020 But the city's unrest continues to stem from the horrifying footage of Blake's shooting and the mass number of unarmed Black men who have been the target of police violence. refinery29.com, 26 Aug. 2020 Venues that can house mass numbers of patients, such as a sports stadium in Nigeria, are being identified, Stephen said. NBC News, 9 Apr. 2020 Luckily, these Zoom calls have been spared from the mass number of spammers attacking such video classes with racist and anti-Semitic writings. Elle Weber, cleveland, 4 Apr. 2020 Some venues have already decided to close altogether because of the mass number of cancellations and postponements. Stephanie Cain, Fortune, 19 Mar. 2020 Here are tips to get refunds The Wisconsin Department of Agriculture, Trade and Consumer Protection is reminding consumers of their right to a refund given the mass number of cancellations because of COVID-19. Milwaukee Journal Sentinel, 17 Mar. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mass number.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mass number

1923, in the meaning defined above

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Time Traveler for mass number

Time Traveler

The first known use of mass number was in 1923

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Dictionary Entries Near mass number

mass noun

mass number

Mass Observation

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Statistics for mass number

Cite this Entry

“Mass number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mass%20number. Accessed 26 Jun. 2022.

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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

More from Merriam-Webster on mass number

Britannica.com: Encyclopedia article about mass number

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