Standard Lemma guide

orbifold

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

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  • General-American: /ˈɔɹ.bɪˌfoʊld/
  • Received-Pronunciation: /ˈɔː.bɪˌfəʊld/

1

noun

Meaning 1

A topological space in which every small enough neighborhood is homeomorphic to a quotient of real space by the action of a finite group.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, topology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of orbit + manifold. Named by William Thurston.

Real reading context

orbifold in complete knowledge articles