Femtomole

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A billionth of a millionth (10⁻¹⁵) of a mole. Symbol: fmole

Etymology

From femto- + mole.

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