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.
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noun
The removal of a solid torus from a 3-dimensional manifold, followed by its being replaced via a homeomorphism of its boundary.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: mathematics, sciences, topology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The same, but with the manifold in question being the 3-dimensional sphere.
Definition source: English Wiktionary via Wiktextract
Usage: countable, specifically, uncountable
Topics: mathematics, sciences, topology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named after Max Dehn.
Across languages
1 source translations are retained for this English entry.
