vertex
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See also: vèrtex
English[edit]
Etymology[edit]
Late Middle English, borrowed from Latin vertex (“whirl, eddy; top, crown, peak, summit”). Doublet of vortex.
Pronunciation[edit]
- (Received Pronunciation) IPA(key): /ˈvɜː.tɛks/
- (General American) IPA(key): /ˈvɝˌtɛks/
Audio (US) (file) - Rhymes: -ɜː(ɹ)tɛks
Noun[edit]
vertex (plural vertices or vertexes)
- The highest point, top or apex of something.
- (geometry) An angular point of a polygon, polyhedron or higher order polytope.
- (mathematics) A point on the curve with a local minimum or maximum of curvature.
- (graph theory) One of the elements of a graph joined or not by edges to other vertices.
- (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
- (optics) The point where the surface of a lens crosses the optical axis.
- (particle physics) An interaction point.
- (astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
- (typography) A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".
- Coordinate term: apex
Derived terms[edit]
Related terms[edit]
Translations[edit]
highest point
|
highest surface on skull
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corner of a polygon or polyhedron
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element of a graph
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point in 3D space
point where the surface of an optical element crosses the optical axis
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physics: interaction point
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked: "point of intersection of an axis and a curve"
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See also[edit]
References[edit]
- “vertex”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “vertex”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
French[edit]
Etymology[edit]
Pronunciation[edit]
Noun[edit]
vertex m (plural vertex)
Further reading[edit]
- “vertex” in Émile Littré, Dictionnaire de la langue française, 1872–1877.
- “vertex”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Latin[edit]
Alternative forms[edit]
- vortex (archaic)
Etymology[edit]
From vertō (“to turn around, turn about”).
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Pronunciation[edit]
- (Classical) IPA(key): /ˈu̯er.teks/, [ˈu̯ɛrt̪ɛks̠]
- (modern Italianate Ecclesiastical) IPA(key): /ˈver.teks/, [ˈvɛrt̪eks]
Noun[edit]
vertex m (genitive verticis); third declension
- whirl, whirlpool, eddy, vortex
- eddy of wind or flame, whirlwind, coil of flame
- (literally, anatomy) top, crown of the head
- (poetic) head
- vacuus vertex ― an empty head
- pole of the heavens (north or south)
- highest point, top, peak, summit (of a mountain, house, tree, etc.)
- (figurative, poetic) highest, uttermost, greatest
Inflection[edit]
Third-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | vertex | verticēs |
Genitive | verticis | verticum |
Dative | verticī | verticibus |
Accusative | verticem | verticēs |
Ablative | vertice | verticibus |
Vocative | vertex | verticēs |
Derived terms[edit]
Descendants[edit]
- Lombard: vierdza, verdza, értes, vértisa (“parting of the hair”)
- Piedmontese: verdz̆a (“peak”)
- Romansch: viertsch, vertscha
Early borrowings:
Later borrowings:
References[edit]
- “vertex”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- “vertex”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- vertex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
- vertex in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
- Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
- the pole: vertex caeli, axis caeli, cardo caeli
- the pole: vertex caeli, axis caeli, cardo caeli
- Dizionario Latino, Olivetti
- Walther von Wartburg (1928–2002), “vĕrtex”, in Französisches Etymologisches Wörterbuch (in German), volume 14: U–Z, page 320
- Meyer-Lübke, Wilhelm (1911), “vĕrtex”, in Romanisches etymologisches Wörterbuch (in German), page 706
Romanian[edit]
Etymology[edit]
Borrowed from French vertex, from Latin vertex.
Pronunciation[edit]
Noun[edit]
vertex n (uncountable)
Declension[edit]
declension of vertex (singular only)
singular | ||
---|---|---|
n gender | indefinite articulation | definite articulation |
nominative/accusative | (un) vertex | vertexul |
genitive/dative | (unui) vertex | vertexului |
vocative | vertexule |
Further reading[edit]
- vertex in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language)
Categories:
- English terms derived from Proto-Indo-European
- English terms derived from the Proto-Indo-European root *wert-
- English terms inherited from Middle English
- English terms derived from Middle English
- English terms derived from Latin
- English doublets
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ɜː(ɹ)tɛks
- Rhymes:English/ɜː(ɹ)tɛks/2 syllables
- English lemmas
- English nouns
- English countable nouns
- English nouns with irregular plurals
- en:Anatomy
- en:Geometry
- en:Mathematics
- en:Graph theory
- en:Computer graphics
- en:Optics
- en:Particle physics
- en:Astrology
- en:Typography
- French terms borrowed from Latin
- French terms derived from Latin
- French 2-syllable words
- French terms with IPA pronunciation
- French terms with audio links
- French lemmas
- French nouns
- French countable nouns
- French masculine nouns
- fr:Anatomy
- Latin 2-syllable words
- Latin terms with IPA pronunciation
- Latin lemmas
- Latin nouns
- Latin third declension nouns
- Latin masculine nouns in the third declension
- Latin masculine nouns
- la:Anatomy
- Latin poetic terms
- Latin terms with usage examples
- Latin words in Meissner and Auden's phrasebook
- Romanian terms borrowed from French
- Romanian terms derived from French
- Romanian terms derived from Latin
- Romanian terms with IPA pronunciation
- Romanian lemmas
- Romanian nouns
- Romanian uncountable nouns
- Romanian neuter nouns