Standard Lemma guide

zetta-

prefix · 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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  • zĕt′ə-
  • /ˈzɛt.ə-/

1

prefix

Meaning 1

In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 1021 (a short scale sextillion or long scale trilliard).

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: zepto-

History

Etymology

Coined with Latin septem (“seven”) and Ancient Greek ἑπτᾰ́ (heptắ, “seven”) in mind, for the seventh order of 103. The consonants pt are reduced to tt; the initial z was chosen instead of s to avoid confusion with s (“second”, symbol)

Across languages

Translations

19 source translations are retained for this English entry.

  • Bulgarian: зета- (zeta-) — 1021
  • Chinese Cantonese: 澤- /泽- (zaak6) — 1021
  • Chinese Mandarin: 澤- /泽- (zé-) — 1021
  • Chinese Mandarin: 澤它- /泽它- (zétā-) — 1021
  • Chinese Mandarin: 皆- (jiē-) — 1021
  • Dutch: zetta- — 1021
  • Finnish: tsetta- — 1021
  • French: zetta- — 1021
  • Galician: zetta- — 1021
  • German: zetta- — 1021
  • Greek: ζεττα- (zetta-) — 1021
  • Indonesian: zeta- — 1021
  • Japanese: ゼタ- — 1021
  • Korean: 제타- (jeta-) — 1021
  • Malay: zeta- — 1021
  • Russian: зетта- (zetta-) — 1021
  • Spanish: zetta- — 1021
  • Thai: เซตตะ- (sét-tà) — 1021
  • Vietnamese: zê-ta — 1021