One-billionth

Rare ·Advanced level

Definitions

Noun
  1. 1
    one part in a billion equal parts wordnet

Example

More examples

"The prefix nano stands for one-billionth, and one-billionth of just about any single thing is way too small for the human eye to see."

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