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| astigmatism |
an irregularity in the curvature of a lens, including that of the eye, that prevents rays of light from meeting in a single focal point, resulting in an indistinct or distorted image. [1/2 definitions] |
| bowleg |
an outward curving of the leg, most pronounced at the knee area, or a leg having such a curvature. |
| concavo-convex |
pertaining to or designating a lens with a greater degree of curvature on its concave side than on its convex side. [1/2 definitions] |
| convexo-concave |
in optics, pertaining to a lens in which the convex side has a greater curvature than the concave side. (Cf. concavo-convex.) [1/2 definitions] |
| geodesy |
the science concerned with measuring the size, shape, area, and curvature of the entire earth or of large parts of it and with locating specific geographical points. |
| ground wave |
a radio wave traveling on or near the earth's surface and affected by its curvature, atmosphere, and the like. |
| lordosis |
the normal inward curvature of the cervical and lumbar regions of the spine. [2/3 definitions] |
| swayback |
an excessive or abnormal inward or downward curvature of the spine, as in some horses. [2 definitions] |
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