Standard Lemma guide

septendecillion

num · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˌsɛptəndəˈsɪl.i.ən/
  • rhymes with -ɪljən

1

num

Meaning 1

1054.

Definition source: English Wiktionary via Wiktextract

Usage: Australia, UK, US, modern, rare

Qualifier: short scale

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

num

Meaning 2

10102.

Definition source: English Wiktionary via Wiktextract

Usage: Australia, UK, dated, rare

Qualifier: long scale

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin septendec(im) (“seventeen”) + -illion; compare tredecillion, quattuordecillion, etc. By surface analysis, septen- + decillion.

Across languages

Translations

16 source translations are retained for this English entry.

  • Esperanto: naŭiliono — 1054 — see also nonillion
  • Finnish: noniljoona — 1054 — see also nonillion
  • German: Nonillion — 1054 — see also nonillion
  • Hungarian: nonillió — 1054 — see also nonillion
  • Japanese: 百恒河沙 (hyakugōgasha) — 1054 — see also nonillion
  • Malay: septendesilion — 1054 — see also nonillion
  • Polish: milion oktylionów — 1054 — see also nonillion
  • Polish: nonilion — 1054 — see also nonillion
  • Russian: септендециллион (septendecillion) — 1054 — see also nonillion
  • Russian: септемдециллион (septemdecillion) — 1054 — see also nonillion
  • Dutch: septendeciljoen — 10102 — see also tretrigintillion
  • Finnish: septendekiljoona — 10102 — see also tretrigintillion
  • French: septendécillion — 10102 — see also tretrigintillion
  • German: Septendezillion — 10102 — see also tretrigintillion
  • Polish: septendecylion — 10102 — see also tretrigintillion
  • Russian: третригинтиллион (tretrigintillion) — 10102 — see also tretrigintillion