convex

adjective

con·​vex kän-ˈveks  ˈkän-ˌveks 

kən-ˈveks

1

a

: curved or rounded outward like the exterior of a sphere or circle

b

: being a continuous function or part of a continuous function with the property that a line joining any two points on its graph lies on or above the graph

2

a

of a set of points : containing all points in a line joining any two constituent points

b

of a geometric figure : comprising a convex set when combined with its interior

a convex polygon

Examples of convex in a Sentence

Recent Examples on the Web

The convex roof sat atop a disk, held up by great ionic pillars circling the temple. —Jem Aswad, Variety, 1 Nov. 2024

Mikel Welch Design founder Mikel Welch creatively decorated the wall above the primary bedroom's fireplace using a convex mirror. —Isabella Milano, Better Homes & Gardens, 26 Oct. 2024

But there are also hoops, in a huggie style that take the line’s convex shapes to maximum effect, along with tennis bracelets, done in square lines that mimic those of the physical court. —Shannon Adducci, Robb Report, 23 Sep. 2024

One man in shorts and a golf shirt does a quick pelvic thrust, while another slides his hands sensually over his slightly convex belly. —EW.com, 14 Aug. 2024

Word History

Etymology

Middle French or Latin; Middle French convexe, from Latin convexus vaulted, concave, convex, from com- + -vexus; perhaps akin to Latin vehere to carry — more at way

First Known Use

1571, in the meaning defined at sense 1a

Phrases Containing convex

• concavo-convex
• plano-convex

Kids Definition

convex

adjective

con·​vex kän-ˈveks  kən- 

ˈkän-ˌveks

: curved or rounded like the outside of a sphere or circle

a convex lens

convexity

kən-ˈvek-sət-ē

kän-

noun

Medical Definition

convex

adjective

con·​vex kän-ˈveks; ˈkän-ˌ  kən-ˈ 

: curved or rounded like the exterior of a sphere or circle

convex lenses are used to correct for farsightedness

convexity

kən-ˈvek-sət-ē, kän- 

noun

plural convexities