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convex

convex

1 5.8
A surface that curves outward like the outside of a ball
  • adjective
  • /ˈkɒnvɛks/
  • Specialized
translation icon : convexo
  • Also, convex mirrors that were located in hallways and at various intersections in the plant aided his mobility.
  • convex and concave

It's domed on each side, convex on both sides, and it's waterproof.

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Examples

  • The panel is convex, so the center is higher than the top and bottom.

  • Convex glass, 10 inches thick, which accounts for the magnifying effect.

  • That is, it is convex when looking from the front.

  • It's domed on each side, convex on both sides, and it's waterproof.

  • The gold wavered like a candle flame, and the glass seemed convex, then concave.

    Fiction book (2001)
  • Her long hair falls in great loose waves; the slightly convex slant of her breast is still girlish.

    Fiction book (1990)
  • Prometheus Seven, resembling nothing so much as an outsized round trash can with a slightly convex nose, sat locked within its cradle inside the space station's service hanger.

    Fiction book (2001)
  • The lens of the camera is convex, allowing it to focus light more effectively.

  • She admired the convex mirror that distorted her reflection in a fun way.

  • A convex shape can be found in the design of many modern buildings.

Synonyms

bulging
vsconvex
2 3.6

Sticking out in a rounded shape because something inside pushes

is an outward curving surface without implying internal pressure
dome-shaped
vsconvex
1 3.6

Having a rounded top like the roof of a building

is a general outward curving surface not limited to roof shapes

Antonyms

5 5.2

Curved inward like the inside of a bowl or spoon

Compounds

concavo-convex
  • Specialized
9.5

One side is curved inward and the other is curved outward, with the inward curve deeper

convex lens
  • Specialized
4.4

A lens that is thicker in the center and brings light to a point

convex polygon
  • Specialized
5.6

A flat shape with straight sides where every line between two points stays inside

convex polyhedron
  • Specialized
8.8

A solid shape with flat faces where any line between two points inside stays inside, for example a cube

convex shape
  • Specialized
4.3

A shape that curves outward everywhere like a ball or a lens

9.9

A solid with the same flat faces that are regular polygons and with all angles the same

regular convex solid
  • Specialized
9.0

A three-dimensional shape whose faces are the same flat shapes with all sides equal and equal angles between them

How Convex

bulging
2 3.6
domed
11 3.8
convex
  • Specialized
1 5.8
curved
6 1.0
flat
797 1.0

Surface Forms

convex positive

Etymology

The word convex comes from the Latin convexus, which meant 'arched' or 'curved outward'. Think of a dome or the outside of a ball that 'bulges out', and you will remember why convex describes a surface that curves or bulges outward.