polyhedron
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English[edit]
Alternative forms[edit]
Etymology[edit]
From New Latin polyedron, from Ancient Greek πολύεδρος (polúedros, “having many seats”), from πολυ- (polu-, “many”) + ἕδρα (hédra, “seat”); compare French polyèdre. By surface analysis, poly- + -hedron.
Pronunciation[edit]
Noun[edit]
polyhedron (plural polyhedra or polyhedrons)
- (geometry) A solid figure with many flat faces and straight edges.
- 1966, Norman W. Johnson, “Convex Polyhedra with Regular Faces”, in Canadian Journal of Mathematics, volume XVIII, number I, Toronto: University of Toronto Press, page 181:
- Of the convex polyhedra with regular faces, the only ones that have tetrahedral, octahedral, or icosahedral symmetry are the Platonic and Archimedean solids.
- (optics) A polyscope, or multiplying glass.
Hypernyms[edit]
Hyponyms[edit]
Hyponyms
See also Thesaurus:polyhedron
Derived terms[edit]
Translations[edit]
geometry: solid figure
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polyscope — see polyscope
See also[edit]
Categories:
- English terms borrowed from New Latin
- English terms derived from New Latin
- English terms derived from Ancient Greek
- English terms prefixed with poly-
- English terms suffixed with -hedron
- English 4-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- English lemmas
- English nouns
- English countable nouns
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- en:Geometry
- English terms with quotations
- en:Optics
- en:Polyhedra