attogram

An SI unit of mass equal to 10⁻¹⁸ grams. Symbol: ag

Noun

  1. An SI unit of mass equal to 10⁻¹⁸ grams. Symbol: ag

    Synonyms: zeptokilogram

Origin

Etymology tree English atto- English gram English attogram From atto- + gram.

Forms

attograms attogramme

Synonyms

ag

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