picoamp

P3I1C3O1A1M3P3

noun

One million millionth (10⁻¹²) of an ampere. Symbol: pA.

OriginEnglish amp ← Spanish pico ← Old Spanish bico →
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Meanings

nounpicoamp (plural picoamps)

plural picoamps · alternative pico-amp

  1. One million millionth (10⁻¹²) of an ampere. Symbol: pA.

Origin

  1. Latinbeccus
  2. Old Spanishbico
  3. Spanishpico
  4. Englishpico-
  5. Englishamp
  6. Englishpicoamp

From pico- + amp.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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