See disphenoid in All languages combined, or Wiktionary
Download JSON data for disphenoid meaning in English (6.3kB)
{
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"1": "en",
"2": "di",
"3": "sphenoid",
"gloss1": "twice, double",
"gloss2": "wedge-shaped crystal or bone of the skull"
},
"expansion": "di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”)",
"name": "prefix"
}
],
"etymology_text": "From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).",
"head_templates": [
{
"args": {
"1": "-"
},
"expansion": "disphenoid (not comparable)",
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}
],
"lang": "English",
"lang_code": "en",
"pos": "adj",
"senses": [
{
"categories": [
{
"kind": "topical",
"langcode": "en",
"name": "Mineralogy",
"orig": "en:Mineralogy",
"parents": [
"Geology",
"Earth sciences",
"Sciences",
"All topics",
"Fundamental"
],
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},
{
"_dis": "15 46 40",
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{
"_dis": "23 41 36",
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],
"glosses": [
"Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system."
],
"id": "en-disphenoid-en-adj-HIOqmgky",
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"mineralogy",
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[
"wedge",
"wedge"
],
[
"crystal",
"crystal"
],
[
"tetragonal",
"tetragonal"
],
[
"orthorhombic",
"orthorhombic"
]
],
"raw_glosses": [
"(mineralogy) Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system."
],
"tags": [
"not-comparable"
],
"topics": [
"chemistry",
"geography",
"geology",
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},
{
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},
{
"_dis": "23 41 36",
"kind": "other",
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}
],
"glosses": [
"Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron."
],
"id": "en-disphenoid-en-adj-oQ9Dxzp1",
"links": [
[
"mineralogy",
"mineralogy"
],
[
"scalene",
"scalene"
],
[
"triangle",
"triangle"
],
[
"tetragonal",
"tetragonal"
],
[
"scalenohedron",
"scalenohedron"
]
],
"raw_glosses": [
"(mineralogy) Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron."
],
"tags": [
"not-comparable"
],
"topics": [
"chemistry",
"geography",
"geology",
"mineralogy",
"natural-sciences",
"physical-sciences"
]
}
],
"wikipedia": [
"disphenoid"
],
"word": "disphenoid"
}
{
"etymology_templates": [
{
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},
"expansion": "di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”)",
"name": "prefix"
}
],
"etymology_text": "From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).",
"forms": [
{
"form": "disphenoids",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {},
"expansion": "disphenoid (plural disphenoids)",
"name": "en-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"senses": [
{
"categories": [
{
"kind": "topical",
"langcode": "en",
"name": "Geometry",
"orig": "en:Geometry",
"parents": [
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{
"_dis": "15 46 40",
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},
{
"_dis": "23 41 36",
"kind": "other",
"name": "English terms prefixed with di-",
"parents": [],
"source": "w+disamb"
},
{
"_dis": "18 34 47",
"kind": "topical",
"langcode": "en",
"name": "Polyhedra",
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"Shapes",
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"Mathematics",
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],
"source": "w+disamb"
}
],
"derived": [
{
"word": "rhombic disphenoid"
},
{
"word": "snub disphenoid"
},
{
"word": "tetragonal disphenoid"
}
],
"examples": [
{
"ref": "1949, Edward Salisbury Dana, Minerals and How to Study Them, page 32",
"text": "The mineral chalcopyrite commonly crystallizes in disphenoids that are very difficult to distinguish from tetrahedrons.",
"type": "quotation"
},
{
"text": "1973, H. S. M. Coxeter, 3rd Edition, unnumbered page,\nTo make a model of a disphenoid, cut out an acute angled triangle and fold it along the joins of the mid-points of the sides. The disphenoid is said to be rhombic or tetragonal according as the triangle is isosceles or scalene."
},
{
"ref": "1977, Elizabeth A. Wood, Crystals and Light: An Introduction to Optical Crystallography, Revised edition, page 8",
"text": "If you rotate the [tetragonal] disphenoid 90° around its 2-fold axis and then perform the operation of inversion through the center-point of the object, it will occupy its original position again.",
"type": "quotation"
},
{
"ref": "1993, Horst Martini, “A Hierarchical Classification of Euclidean Polytopes with Regularity Properties”, in Tibor Bisztriczky, Peter McMullen, Rolf Schneider, Asia Ivic Weiss, editors, Polytopes: Abstract, Convex and Computational, Proceedings of the NATO Advanced Study Institute, page 83",
"text": "In addition it should be remarked that there are two types of disphenoids, with different symmetries: the tetragonal disphenoid (having isosceles facets) and the rhombic one.",
"type": "quotation"
}
],
"glosses": [
"A non-regular tetrahedron whose four faces are congruent acute-angled triangles."
],
"id": "en-disphenoid-en-noun-Jvbb0bzq",
"links": [
[
"geometry",
"geometry"
],
[
"tetrahedron",
"tetrahedron"
],
[
"face",
"face"
]
],
"raw_glosses": [
"(geometry) A non-regular tetrahedron whose four faces are congruent acute-angled triangles."
],
"synonyms": [
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "bisphenoid"
},
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "equifacial tetrahedron"
},
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "isosceles tetrahedron"
}
],
"topics": [
"geometry",
"mathematics",
"sciences"
]
}
],
"wikipedia": [
"disphenoid"
],
"word": "disphenoid"
}
{
"categories": [
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"English countable nouns",
"English entries with incorrect language header",
"English lemmas",
"English nouns",
"English terms prefixed with di-",
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"en:Polyhedra"
],
"etymology_templates": [
{
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"2": "di",
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},
"expansion": "di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”)",
"name": "prefix"
}
],
"etymology_text": "From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).",
"head_templates": [
{
"args": {
"1": "-"
},
"expansion": "disphenoid (not comparable)",
"name": "en-adj"
}
],
"lang": "English",
"lang_code": "en",
"pos": "adj",
"senses": [
{
"categories": [
"en:Mineralogy"
],
"glosses": [
"Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system."
],
"links": [
[
"mineralogy",
"mineralogy"
],
[
"wedge",
"wedge"
],
[
"crystal",
"crystal"
],
[
"tetragonal",
"tetragonal"
],
[
"orthorhombic",
"orthorhombic"
]
],
"raw_glosses": [
"(mineralogy) Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system."
],
"tags": [
"not-comparable"
],
"topics": [
"chemistry",
"geography",
"geology",
"mineralogy",
"natural-sciences",
"physical-sciences"
]
},
{
"categories": [
"en:Mineralogy"
],
"glosses": [
"Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron."
],
"links": [
[
"mineralogy",
"mineralogy"
],
[
"scalene",
"scalene"
],
[
"triangle",
"triangle"
],
[
"tetragonal",
"tetragonal"
],
[
"scalenohedron",
"scalenohedron"
]
],
"raw_glosses": [
"(mineralogy) Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron."
],
"tags": [
"not-comparable"
],
"topics": [
"chemistry",
"geography",
"geology",
"mineralogy",
"natural-sciences",
"physical-sciences"
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}
],
"wikipedia": [
"disphenoid"
],
"word": "disphenoid"
}
{
"categories": [
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"en:Polyhedra"
],
"derived": [
{
"word": "rhombic disphenoid"
},
{
"word": "snub disphenoid"
},
{
"word": "tetragonal disphenoid"
}
],
"etymology_templates": [
{
"args": {
"1": "en",
"2": "di",
"3": "sphenoid",
"gloss1": "twice, double",
"gloss2": "wedge-shaped crystal or bone of the skull"
},
"expansion": "di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”)",
"name": "prefix"
}
],
"etymology_text": "From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).",
"forms": [
{
"form": "disphenoids",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {},
"expansion": "disphenoid (plural disphenoids)",
"name": "en-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"senses": [
{
"categories": [
"English terms with quotations",
"Quotation templates to be cleaned",
"en:Geometry"
],
"examples": [
{
"ref": "1949, Edward Salisbury Dana, Minerals and How to Study Them, page 32",
"text": "The mineral chalcopyrite commonly crystallizes in disphenoids that are very difficult to distinguish from tetrahedrons.",
"type": "quotation"
},
{
"text": "1973, H. S. M. Coxeter, 3rd Edition, unnumbered page,\nTo make a model of a disphenoid, cut out an acute angled triangle and fold it along the joins of the mid-points of the sides. The disphenoid is said to be rhombic or tetragonal according as the triangle is isosceles or scalene."
},
{
"ref": "1977, Elizabeth A. Wood, Crystals and Light: An Introduction to Optical Crystallography, Revised edition, page 8",
"text": "If you rotate the [tetragonal] disphenoid 90° around its 2-fold axis and then perform the operation of inversion through the center-point of the object, it will occupy its original position again.",
"type": "quotation"
},
{
"ref": "1993, Horst Martini, “A Hierarchical Classification of Euclidean Polytopes with Regularity Properties”, in Tibor Bisztriczky, Peter McMullen, Rolf Schneider, Asia Ivic Weiss, editors, Polytopes: Abstract, Convex and Computational, Proceedings of the NATO Advanced Study Institute, page 83",
"text": "In addition it should be remarked that there are two types of disphenoids, with different symmetries: the tetragonal disphenoid (having isosceles facets) and the rhombic one.",
"type": "quotation"
}
],
"glosses": [
"A non-regular tetrahedron whose four faces are congruent acute-angled triangles."
],
"links": [
[
"geometry",
"geometry"
],
[
"tetrahedron",
"tetrahedron"
],
[
"face",
"face"
]
],
"raw_glosses": [
"(geometry) A non-regular tetrahedron whose four faces are congruent acute-angled triangles."
],
"topics": [
"geometry",
"mathematics",
"sciences"
]
}
],
"synonyms": [
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "bisphenoid"
},
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "equifacial tetrahedron"
},
{
"sense": "non-regular tetrahedron with congruent faces",
"word": "isosceles tetrahedron"
}
],
"wikipedia": [
"disphenoid"
],
"word": "disphenoid"
}
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-06-21 from the enwiktionary dump dated 2024-06-06 using wiktextract (6c02f21 and 0136956). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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