Word Pronunciation & Dictionary

self-dual

Word Rarity Uncommon

Frequency: Zipf frequency 4.24 in modern English

Syllables
self---d-u-al
IPA
12
Scrabble Score
8
Letters
6
Syllables
7
Unique Chars

Meaning

adj

Of a vector space, isomorphic to its dual space.

adj

Of a proposition that is equivalent to its dual.

adj

Of a graph or polyhedron, being the dual of itself.

Etymology

Etymology tree Proto-Indo-European *swé? Proto-Indo-European *selbʰ-der. Proto-Germanic *selbaz Old English self Old English self- Middle English self- English self- English dual English self-dual From self- + dual.

Phrases

anti-self-dual non-self-dual

Questions

What does self-dual mean?
Of a vector space, isomorphic to its dual space.
Where does self-dual come from?
Etymology tree Proto-Indo-European *swé? Proto-Indo-European *selbʰ-der. Proto-Germanic *selbaz Old English self Old English self- Middle English self- English self- English dual English self-dual From self- + dual.

How to pronounce self-dual

  1. Open the pronunciation page — Open the Speakur entry for “self-dual”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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  4. Repeat and practice — Say “self-dual” aloud, matching stress and vowels until it feels natural.