Some lenses are concavo-convex.
Useful english dictionary. 2012.
con|vex|o-con|vex — «kuhn VEHK soh kon VEHKS», adjective. convex on both sides … Useful english dictionary
con|vex´ness — con|vex «adjective. kon VEHKS, kuhn ; noun. KON vehks», adjective, noun. –adj. curved out, like the outside of a circle or sphere; curving out: »The lens of an automobile headlight is convex on the outside. The crystal of a watch is slightly… … Useful english dictionary
con|vex´ly — con|vex «adjective. kon VEHKS, kuhn ; noun. KON vehks», adjective, noun. –adj. curved out, like the outside of a circle or sphere; curving out: »The lens of an automobile headlight is convex on the outside. The crystal of a watch is slightly… … Useful english dictionary
con|vex — «adjective. kon VEHKS, kuhn ; noun. KON vehks», adjective, noun. –adj. curved out, like the outside of a circle or sphere; curving out: »The lens of an automobile headlight is convex on the outside. The crystal of a watch is slightly convex. The… … Useful english dictionary
con|vex|o-con|cave — «kuhn VEHK soh kon KAYV», adjective. convex one side and concave on the other. In a convexo concave lens, the convex face has the greater curvature, thus making the lens thickest in the middle … Useful english dictionary
con|vex|i|ty — «kuhn VEHK suh tee», noun, plural ties. 1. a convex quality or condition. 2. a convex surface or thing … Useful english dictionary
con|vex|o-plane — «kuhn VEHK soh PLAYN», adjective. convex on one side and flat on the other … Useful english dictionary
bi|con|vex — «by KON vehks, BY kon VEHKS», adjective. convex on both sides … Useful english dictionary
dou|ble-con|vex lens — «DUHB uhl kon VEHKS, kuhn », a lens with two convex surfaces, used in various magnifying glasses … Useful english dictionary
pla|no-con|vex — «PLAY noh KON vehks», adjective. flat on one side and convex on the other. ╂[< Latin plānus flat + English convex] … Useful english dictionary
