Phrase guide
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
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.
noun
A manifold with three mutually compatible structures: a complex structure, a Riemannian structure, and a symplectic structure.
Definition source: English Wiktionary via Wiktextract
Qualifier: differential geometry
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Introduced by Erich Kähler in 1933, though the concept had been studied by others a few years earlier.
