Business / Machine Shop / Convex: The curved surface of a cylinder, as a sphere when viewed from without.

Convex Lens

Entertainment / Photography / Convex Lens: Simple lens which causes rays of light from a subject to converge and form an image. MORE

Bi-Convex Lens

Entertainment / Photography / Bi-Convex Lens: Simple lens shape whose surfaces curve outward, away from the optical center. Such a lens causes light rays to converge. MORE

Effective Convexity

Business / Finance / Effective Convexity: The strike price in a market redemption provision plus the accrued interest to the redemption date. MORE


Business / Finance / Convexity: Curved, as in the shape of the outsid of a circle. Usually referring to the price/required yield relationship for option-free bonds. MORE

Negative Convexity

Business / Finance / Negative Convexity: A bond characteristic such that the price appreciation will be less than the price depreciation for a large change in yield of a given number of basis points. For example, a fixed-rate mortgage may lo MORE

Positive Convexity

Business / Finance / Positive Convexity: A property of option-free bonds that the price appreciation for a large downward change in interest rates will be greater (in absolute terms) than the price depreciation for the same downward change i MORE