Standard Lemma guide

trilliard

num · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

num

Meaning 1

One thousand long scale trillions, or one short scale sextillion; equal to 1021 (1 followed by twenty-one 0s).

Definition source: English Wiktionary via Wiktextract

Usage: Australia, UK, dated, rare

Examples

  • 2003, François Cardarelli, Column in a table, Encyclopaedia of Scientific Units, Weights, and Measures: Their SI Equivalences and Origins, Power of ten ...UK, France (n rule) million billion billiard trillion trilliard

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From French trilliard, equivalent to tri- (“three”) + -illiard.

Across languages

Translations

3 source translations are retained for this English entry.

  • Esperanto: triiliardo — 1021, a thousand million million million (a billion trillion) — see also sextillion
  • French: trilliard — 1021, a thousand million million million (a billion trillion) — see also sextillion
  • Spanish: trillardo — 1021, a thousand million million million (a billion trillion) — see also sextillion