Attoliter

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    (metrology) An SI unit of fluid measure equal to 10⁻¹⁸ liters; alternative spelling of attolitre. US

Etymology

From atto- + liter.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.