convex

[ adjective kon-veks, kuhn-; noun kon-veks ]

adjective

1. having a surface that is curved or rounded outward. Compare concave ( def 1 ).
2. Mathematics.
   1. (of a polygon) having all interior angles less than or equal to 180°.
   2. (of a set) having the property that for each pair of points in the set the line joining the points is wholly contained in the set.

noun

1. a convex surface, part, or thing.

convex

/ ˈkɒnvɛks; kɒnˈvɛks /

adjective

1. curving or bulging outwards
2. physics having one or two surfaces curved or ground in the shape of a section of the exterior of a sphere, paraboloid, ellipsoid, etc

   a convex lens

3. maths (of a polygon) containing no interior angle greater than 180°

verb

1. tr to make convex

convex

/ kŏn′vĕks′ /

1. Curving outward, like the outer boundary of a circle or sphere.

Derived Forms

• ˈconvexly, adverb

Other Words From

• con·vexly con·vex·ed·ly [k, uh, n-, vek, -sid-lee], adverb
• con·vexed·ness noun
• subcon·vex adjective

Word History and Origins

Origin of convex¹

1565–75; < Latin convexus equivalent to con- con- + -vexus, perhaps < *wek-sos, derivative of base of vehere to convey, if original sense was “brought together (to a single point)”

Word History and Origins

Origin of convex¹

C16: from Latin convexus vaulted, rounded

Example Sentences

The bottle has an unusual convex base, meaning it cannot stand upright, and it is made of coarse glass, full of tiny air bubbles.

From BBC

On a convex or tubular structure such as the outside surface of a blood vessel, cells tend to move circumferentially around the shape.

From Science Daily

Shortly after Russia invaded Ukraine last year, engineers at Convex, a Russian telecommunications company, needed to find American equipment to transmit data to the country’s feared intelligence service.

From New York Times

Convex’s employees soon found a solution.

From New York Times

While Cisco, a U.S. tech provider, had halted sales to Russia on March 3, 2022, Convex’s engineers easily obtained the Cisco gear they needed through an obscure Russian e-commerce site called Nag, which had gotten around international trade restrictions by buying the American equipment through a web of suppliers in China.

From New York Times