yoctogram

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noun

An SI unit of mass equal to 10⁻²⁴ grams. Symbol: yg

Similar
yg
OriginEnglish gram ← Ancient Greek ὀκτώ (oktṓ) ← Proto-Hellenic *oktṓ →
Scrabble 17
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Meanings

nounyoctogram (plural yoctograms)

plural yoctograms · alternative UK yoctogramme

  1. metrologyAn SI unit of mass equal to 10⁻²⁴ grams. Symbol: yg

    Synonyms: yg

Synonyms & antonyms

nounAn SI unit of mass equal to 10⁻²⁴ grams. Symbol: yg

Similar
yg

Origin

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Hellenic*oktṓ
  3. Ancient Greekὀκτώ (oktṓ)
  4. Englishyocto-
  5. Englishgram
  6. Englishyoctogram

From yocto- + gram.

Full word history & related roots →
Cite this entry
APA

yoctogram. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/yoctogram

MLA

“yoctogram.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/yoctogram. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “yoctogram,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/yoctogram.

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