Convex

Part of Speech

Adjective

Pronunciation

UK: /ˈkɒn.vɛks/

US: /ˈkɑːn.vɛks/ or /kənˈvɛks/

Definitions

• Having a surface or boundary that curves outward.
• In mathematics, a shape where a line segment between any two points on the shape lies completely within the shape.

Usage Examples

• The lens is convex, allowing light to focus at a single point.
• A convex mirror provides a wider field of view.
• In geometry, a convex polygon has all its interior angles less than 180 degrees.

Etymology

Derived from Latin "convexus," meaning "arched" or "vaulted."

Synonyms

• Bulging
• Curved outward
• Arched

Antonyms

• Concave
• Hollow
• Indented

Translations

Regional Pronunciation Variations

British English: /ˈkɒn.vɛks/

American English: /ˈkɑːn.vɛks/ or /kənˈvɛks/

Historical Usage

The term convex has been used in optics, geometry, and physics for centuries, particularly in the study of light refraction and lens design.

Cultural Nuances

In many cultures, convex surfaces are associated with protection and outward expansion, while concave surfaces are linked with containment.

More Information

A convex shape is commonly found in nature and design, from the curvature of planets to the domes of architectural wonders. Its properties are widely studied in physics, engineering, and mathematics.