convex

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English[edit]

English Wikipedia has an article on:
Wikipedia
Top: a spoon with its convex side up.
Bottom: a spoon with its concave side up.
A convex set. For any points x and y within the set, the connecting line lies within the set.
A convex polygon.

Etymology[edit]

Borrowed from Middle French convexe, from Latin convexus (“arched”).

Pronunciation[edit]

Adjective[edit]

convex (comparative more convex, superlative most convex)

  1. 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; […]
  2. (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.
  3. (geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
  4. (mathematics, 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[edit]

Derived terms[edit]

Translations[edit]

Noun[edit]

convex (plural convexes)

  1. Any convex body or surface.
    • 1714, Royal Progress, Thomas Tickell:
      Half heaven's convex glitters with the flame.
  2. (gambling) A playing card made convex for use in cheating.
    Coordinate term: concave
  3. (gambling) 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.

References[edit]

Catalan[edit]

Catalan Wikipedia has an article on:
Wikipedia ca

Etymology[edit]

Borrowed from Latin convexus.

Pronunciation[edit]

Adjective[edit]

convex (feminine convexa, masculine plural convexos, feminine plural convexes)

  1. convex
    Antonym: còncau

Related terms[edit]

Further reading[edit]

Dutch[edit]

Etymology[edit]

Borrowed from French convexe, from Latin convexus.

Pronunciation[edit]

Adjective[edit]

convex (comparative convexer, superlative meest convex or convext)

  1. convex
    Synonym: bolrond
    Antonym: concaaf

Inflection[edit]

Inflection 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[edit]

Descendants[edit]

  • → Indonesian: konvèks

Romanian[edit]

Etymology[edit]

Borrowed from French convexe, from Latin convexus.

Adjective[edit]

convex m or n (feminine singular convexă, masculine plural convecși, feminine and neuter plural convexe)

  1. convex

Declension[edit]

Declension of convex
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
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