Standard Lemma guide

sedenion

noun · 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

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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A 16-dimensional nonalternative extension of an octonion with one real part and 15 imaginary parts, each a real multiple of a distinct, independent square root of −1.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of Latin sēdecim (“sixteen”) + quaternion.

Across languages

Translations

4 source translations are retained for this English entry.

  • Chinese Mandarin: 十六元數 /十六元数 (shíliù-yuán shù) — nonassociative, nonalternative extension of an octonion
  • Hungarian: szedénió — nonassociative, nonalternative extension of an octonion
  • Icelandic: sextándatala — nonassociative, nonalternative extension of an octonion
  • Spanish: sedenión — nonassociative, nonalternative extension of an octonion