A convex lens is fixated on a slanted ceiling emanating a faint amount of soft white light.
Pileus fleshy, convex, glabrous, grayish-red or chestnut-color.
The pileus is fleshy, convex, then expanded, and at length depressed.
The beak is large, short, covered, and convex; the upper exceeding the lower chap.
The lamplight was reflected at a single point from its convex surface.
A B, is a plano-convex lens, being flat on one side, and convex on the other.
The kind of lens we have been talking about is the convex lens.
In the tent lay smoothly one layer of fans, convex side up, butts toward the foot.
The convex lens makes a clear image and it is the only kind of lens that will do this.
By the depression of the convex portion of the diaphragm; 2d.
1570s, from Middle French convexe, from Latin convexus "vaulted, arched," past participle of convehere "to bring together," from com- "together," or "thoroughly" (see com-) + vehere "to bring" (see vehicle). Possibly from the idea of vaults carried together to meet at the point of a roof. Related: Convexity. Convex lens is from 1822.
convex con·vex (kŏn'věks', kən-věks')
Having a surface or boundary that curves or bulges outward, as the exterior of a sphere.