convex
English
Bottom: a spoon with its concave side up.


Etymology
Borrowed from Middle FrenchCategory:English terms borrowed from Middle French#CONVEXCategory:English terms derived from Middle French#CONVEX convexe, from LatinCategory:English terms derived from Latin#CONVEX convexus (“arched”).
Pronunciation
- (Received Pronunciation) IPA(key): /ˈkɒn.vɛks/, /kɒnˈvɛks/, /kənˈvɛks/Category:English 2-syllable words#CONVEXCategory:English 2-syllable words#CONVEXCategory:English 2-syllable words#CONVEXCategory:English terms with IPA pronunciation#CONVEX
Category:English terms with audio pronunciation#CONVEXAudio (Southern England): (file) - (General American) IPA(key): /ˈkɑn.vɛks/, /kɑnˈvɛks/, /kənˈvɛks/Category:English 2-syllable words#CONVEXCategory:English 2-syllable words#CONVEXCategory:English 2-syllable words#CONVEXCategory:English terms with IPA pronunciation#CONVEX
Adjective
convex (comparative more convex, superlative most convex)Category:English lemmas#CONVEXCategory:English adjectives#CONVEXCategory:English entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
- Curved or bowed outward like the outside of a bowl, circle, or sphere.
- 1837, William Whewell, “Earliest Stages of Astronomy”, in History of the Inductive Sciences, from the Earliest to the Present Times. […], volume I, London: John W[illiam] Parker, […]; Cambridge, Cambridgeshire: J. and J. J. Deighton, →OCLC, book III (History of Greek Astronomy), section 9 (The Globular Form of the Earth), page 150:
- [D]rops of water naturally form themselves into figures with a convex surface; […]Category:English terms with quotations#CONVEX
- (functional analysisCategory:en:Functional analysis#CONVEX, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.
- (geometryCategory:en:Geometry#CONVEX, not comparable, of a polygon) having no internal angles greater than 180 degrees.
- (mathematicsCategory:en:Mathematics#CONVEX, not comparable, of a set in Euclidean space) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
Antonyms
Derived terms
- biconvex
- concavo-convex
- convex combination
- convexed
- convexedly
- convex envelope
- convex function
- convex hull
- convexification
- convexify
- convexity
- convex lens
- convexly
- convexness
- convexoconcave
- convexoconvex
- convexoplane
- convex set
- double-convex
- equiconvex
- hyperconvex
- lower convex envelope
- macroconvex
- microconvex
- multiconvex
- nonconvex
- planoconvex
- plano-convex
- polyconvex
- pseudoconvex
- quasiconvex
- semiconvex
- subconvex
Translations
Noun
convex (plural convexes)Category:English lemmas#CONVEXCategory:English nouns#CONVEXCategory:English countable nouns#CONVEXCategory:English entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
- Any convex body or surface.
- 1714, Royal Progress, Thomas Tickell:
- Half heaven's convex glitters with the flame.Category:English terms with quotations#CONVEX
- (gamblingCategory:en:Gambling#CONVEX) A playing card made convex for use in cheating.
- Coordinate term: concave
- (gamblingCategory:en:Gambling#CONVEX) A small convex mirror used to cheat by observing other players' cards.
- Synonym: shiner
- 2019, John Philip Quinn, Fools of Fortune; or, Gambling and Gamblers:
- Of all the devices for defrauding at poker, the “shiner,” or “convex” […] Modern convexes are also considerably larger than those of former days.Category:English terms with quotations#CONVEX
Verb
convex (third-person singular simple present convexes, present participle convexing, simple past and past participle convexed)Category:English lemmas#CONVEXCategory:English verbs#CONVEXCategory:English entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
- (intransitiveCategory:English intransitive verbs#CONVEX) To form a convex curve or surface; to become convex.
- 1859 November, “Harbours of Refuge”, in The United Service Magazine, page 347:
- In like manner the north pier will convex seaward, extending across the bay to the extent of 1000 feet from low water, terminating in about eight fathoms, leaving a clear entrance of 500 feet between the pier heads, the depth of the entrance being from seven to eight fathoms.Category:English terms with quotations#CONVEX
- 1926, David Louis Jones, Diesel Engines, Marine--locomotive--stationary, page 502:
- If the valve is ground excessively, the surfaces of the valve and cage will convex so that the sealing contact is poor.Category:English terms with quotations#CONVEX
- 1998, James Stephen Hardy, Stephen T. Hardy, Time-saver Details for Roof Design, page 247:
- With thin metal flashing, as it expands, the metal between the fasteners will convex.Category:English terms with quotations#CONVEX
- (transitiveCategory:English transitive verbs#CONVEX) To cause to form a convex curve or surface; to make convex.
- 1898 March, Junius, “Tension in Saws”, in The Wood-worker, volume 17, number 1, page 24:
- The back edge of the saw being under the lip of the cleat, use the anvil for a fulcrum and press down on the edge of the saw opposite, which will convex the plate, as the springing up concaved it, and the action of the fast and loose will be the reverse; that is, the fast will go down and the loose come up.Category:English terms with quotations#CONVEX
- 1945, John Northern Hilliard, Card Magic: A Practical Treatise on Modern Card Conjuring, page 19:
- This will convex the fan and hold the cards more rigidly in place.Category:English terms with quotations#CONVEX
- 2012, Tamir Greenberg, “Elegy”, in Poets on the Edge: An Anthology of Contemporary Hebrew Poetry, page 295:
- In one moment the body will convex the checkered blanket, and later—the featureless absence;Category:English terms with quotations#CONVEX
- (ambitransitiveCategory:English transitive verbs#CONVEXCategory:English intransitive verbs#CONVEX) To circulate or cause to circulate in a curved path; to cause or exhibit convection.
- 2011, Comprehensive Semiconductor Science and Technology, page 156:
- The crystal/melt interface thus convexes into the melt; however, the convexity of the interface ( Figure 53 ) is not as strong as it is when the crucible does not rotate (Figure 52).Category:English terms with quotations#CONVEX
- 2014, Amy-Elyse Neer, The Seven Things Cookbook, page 96:
- The lid on will convex the heat and you'll need that after it's been chilled.Category:English terms with quotations#CONVEX
References
- John A. Simpson and Edmund S. C. Weiner, editors (1989), “convex”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN.
Catalan
Etymology
Borrowed from LatinCategory:Catalan terms borrowed from Latin#CONVEXCategory:Catalan terms derived from Latin#CONVEX convexus.
Pronunciation
Adjective
convex (feminine convexa, masculine plural convexos, feminine plural convexes)Category:Catalan lemmas#CONVEXCategory:Catalan adjectives#CONVEXCategory:Catalan entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
Related terms
Further reading
- “convex”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
Dutch
Etymology
Borrowed from FrenchCategory:Dutch terms borrowed from French#CONVEXCategory:Dutch terms derived from French#CONVEX convexe, from LatinCategory:Dutch terms derived from Latin#CONVEX convexus.
Pronunciation
- IPA(key): /kɔnˈvɛks/Category:Dutch terms with IPA pronunciation#CONVEX
Category:Dutch terms with audio pronunciation#CONVEXAudio: (file) - Hyphenation: con‧vex
- Rhymes: -ɛksCategory:Rhymes:Dutch/ɛks#CONVEXCategory:Rhymes:Dutch/ɛks/2 syllables#CONVEX
Adjective
convex (comparative convexer, superlative meest convex or convext)Category:Dutch lemmas#CONVEXCategory:Dutch adjectives#CONVEXCategory:Dutch adjectives with red links in their headword lines#CONVEXCategory:Dutch entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
Declension
| Declension of convex | ||||
|---|---|---|---|---|
| uninflected | convex | |||
| inflected | convexe | |||
| comparative | convexer | |||
| positive | comparative | superlative | ||
| predicative/adverbial | convex | convexer | het convext het convexte | |
| indefinite | m./f. sing. | convexe | convexere | convexte |
| n. sing. | convex | convexer | convexte | |
| plural | convexe | convexere | convexte | |
| definite | convexe | convexere | convexte | |
| partitive | convex | convexers | — | |
Derived terms
Descendants
- → Indonesian: konvèks
Romanian
Etymology
Borrowed from FrenchCategory:Romanian terms borrowed from French#CONVEXCategory:Romanian terms derived from French#CONVEX convexe, from LatinCategory:Romanian terms derived from Latin#CONVEX convexus.
Adjective
convex m or n (feminine singular convexă, masculine plural convecși, feminine/neuter plural convexe)Category:Romanian lemmas#CONVEXCategory:Romanian adjectives#CONVEXCategory:Romanian entries with incorrect language header#CONVEXCategory:Pages with entries#CONVEXCategory:Pages with 4 entries#CONVEX
Declension
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | neuter | feminine | masculine | neuter | feminine | ||
| nominative- accusative | indefinite | convex | convexă | convecși | convexe | ||
| definite | convexul | convexa | convecșii | convexele | |||
| genitive- dative | indefinite | convex | convexe | convecși | convexe | ||
| definite | convexului | convexei | convecșilor | convexelor | |||
