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Definitions

atomic mass

[uh-tom-ik mas] / əˈtɒm ɪk ˈmæs /
NOUN
mass number
Synonyms
WEAK
atomic number atomic volume atomic weight nucleon number

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Wallner is particularly interested in the radioactive iron isotope with the atomic mass of 60.

From Science Daily • Nov. 2, 2023

The same applies to the plutonium isotope with the atomic mass of 244.

From Science Daily • Nov. 2, 2023

Twelve, named for the atomic mass of carbon, has developed a process to make jet fuel using renewable electricity, water and waste biomass CO2 instead of fossil fuels.

From Seattle Times • Jul. 12, 2023

When a naturally occurring element is composed of several isotopes, the atomic mass of the element represents the average of the masses of the isotopes involved.

From Textbooks • Feb. 14, 2019

The best evidence that these particles are of atomic mass is furnished by their deflection in electric and magnetic fields.

From A Brief Account of Radio-activity by Venable, Francis Preston