Convex(adjective)
Curved or rounded outward like the exterior of a sphere or circle.
Hindi meaning:उत्तल
Synonyms: Bulging, Curved, Protuberant, Rounded
Antonyms: Concave, Hollow, Depressed, Inward-curving
Example: A convex lens is thicker at the centre than at the edges.
Trick to remember: Convex = curve comes out, while concave curves in.
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