aspheric adjective.
[ǝs'fɛrɪk, eɪ-] E20.[from
A-10 +
SPHERIC adjective.]
Optics. Not spherical (although curved); (of a lens) having one or more aspheric surfaces.
■ aspherical
adjective E20. ■ asphericity
[eɪsfɛ'rɪsɪti] noun the state of being aspheric
M20. [TahlilGaran] English Dictionary ▲