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attogramme

French, noun/a.tɔ.ɡʁam/

attogramme is spelled A-T-T-O-G-R-A-M-M-E (10 letters). Attogramme is a French masculine noun meaning “attogram, attogramme” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Unité de mesure de masse du Système international (SI), valant 10⁻¹⁸ gramme ou 10⁻²¹ kilogramme, et dont le…”.

What does attogramme mean in English?

noun

  1. 1

    masculineattogram, attogramme

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

noun: 1. Unité de mesure de masse du Système international (SI), valant 10⁻¹⁸ gramme ou 10⁻²¹ kilogramme, et dont le symbole est ag.

The definition in the French Wiktionary (Wiktionnaire), in French.

Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of attogramme

  • attogrammes plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce attogramme?

  • /a.tɔ.ɡʁam/
  • \a.tɔ.ɡʁam\
  • [a.tɔ.ɡʁam]

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

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