Convex - Meaning, Definition & English Examples
Convex describes a shape or surface that curves outward, like the exterior of a sphere or a bulging lens. It is the opposite of concave, which curves inward. Convex shapes are common in mirrors, lenses, and geometry.
Definition:
Curved outward like the exterior of a sphere or circle.
Synonyms:
bulging, rounded, protuberant, arched
Part of Speech:
adjective
Antonyms:
concave, sunken
Common Collocations:
convex lens, convex mirror, convex shape, convex surface
Derivatives:
convexity, convexly
Usage Tips:
Use "convex" to describe surfaces that curve outward, opposite of concave.
Common Phrases:
convex hull, convex optimization, convex polygon
Etymology:
From Latin "convexus," meaning vaulted or arched.
Examples:
- 1. The mirror has a convex surface that distorts reflections slightly.
- 2. A magnifying glass uses a convex lens to focus light.
- 3. The artist drew a convex curve to show the bulge.
- 4. Convex shapes are common in architecture for aesthetic appeal.