attogramme

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A form of attogram — An SI unit of mass equal to 10⁻¹⁸ grams. Symbol: ag

Scrabble 15
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Meanings

nounattogramme (plural attogrammes)

plural attogrammes

  1. UKalternativeAlternative spelling of attogram.

Origin

From atto- + gramme.

Full word history & related roots →
Cite this entry
APA

attogramme. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/attogramme

MLA

“attogramme.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/attogramme. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “attogramme,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/attogramme.

Source: attogramme on Wiktionary, CC BY-SA 4.0.