convex

名词 n. 动词 v. 形容词 adj.
中文释义
英 /ˈkɒn.vɛks/|/kɒnˈvɛks/|/kənˈvɛks/    美 /ˈkɑn.vɛks/|/kɑnˈvɛks/|/kənˈvɛks/

英文释义

名词 n.
  1. Any convex body or surface.
    — Half heaven's convex glitters with the flame.
  2. A playing card made convex for use in cheating.
  3. A small convex mirror used to cheat by observing other players' cards.
    — Of all the devices for defrauding at poker, the “shiner,” or “convex” […] Modern convexes are also considerably larger than those of former days.
动词 v.
  1. To form a convex curve or surface; to become convex. intransitive
    — 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.
  2. To cause to form a convex curve or surface; to make convex. transitive
    — 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.
  3. To circulate or cause to circulate in a curved path; to cause or exhibit convection. ambitransitive
    — 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).
形容词 adj.
  1. Curved or bowed outward like the outside of a bowl, circle, or sphere.
    — [D]rops of water naturally form themselves into figures with a convex surface; […]
  2. having an epigraph that is a convex set. not-comparable
  3. having no internal angles greater than 180 degrees. not-comparable
  4. arranged such that for any two points in the set, a straight line between the two points is contained within the set. not-comparable

词形变化

more convex comparative most convex superlative convexes plural convexes present,singular,third-person convexing participle,present convexed participle,past convexed past

词汇关系

反义词
concave
衍生词
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

词源

词源 1
Borrowed from Middle French convexe, from Latin convexus (“arched”).
词源 2
Borrowed from Middle French convexe, from Latin convexus (“arched”).
词源 3
Borrowed from Middle French convexe, from Latin convexus (“arched”).
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