from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Concave on one side and convex on the other.
- adj. Having greater curvature on the concave side than on the convex side. Used of a lens.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. having one side concave and the other convex
from the GNU version of the Collaborative International Dictionary of English
- adj. Concave on one side and convex on the other, as an eggshell or a crescent.
- adj. Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens.
from The Century Dictionary and Cyclopedia
- Concave on one side and convex on the other. A concavo-convex lens is a lens in which the convex face has a smaller curvature than the concave face, so that the former tends constantly away from the latter. See convex.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. concave on one side and convex on the other with the concavity being greater than the convexity
Sorry, no etymologies found.