average atomic mass

noun

The weighted average of the atomic masses of the naturally occurring isotopes of an element.

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Meanings

nounaverage atomic mass (countable and uncountable, plural average atomic masses)

plural average atomic masses

  1. countableuncountableThe weighted average of the atomic masses of the naturally occurring isotopes of an element.
Cite this entry
APA

average atomic mass. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/average%20atomic%20mass

MLA

“average atomic mass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/average%20atomic%20mass. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “average atomic mass,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/average%20atomic%20mass.

Source: average atomic mass on Wiktionary, CC BY-SA 4.0.