picomole

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noun

A unit of substance equal to one trillionth (10⁻¹²) of a mole

OriginEnglish mole ← Spanish pico ← Old Spanish bico →
Scrabble 14
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Meanings

nounpicomole (plural picomoles)

plural picomoles

  1. chemistryA unit of substance equal to one trillionth (10⁻¹²) of a mole

Origin

  1. Latinbeccus
  2. Old Spanishbico
  3. Spanishpico
  4. Englishpico-
  5. Englishmole
  6. Englishpicomole

From pico- + mole.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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