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Wiktionary
aspherical

a. Not (quite) spherical

WordNet
aspherical

adj. varying slightly from a perfectly spherical shape [syn: aspheric]

Wikipedia
Aspherical

Aspherical may refer to:

  • Aspherical space, a concept in topology
  • Aspherical lens, a type of lens assembly used in photography which contains an aspheric lens, sometimes referred to as ASPH