paraxial

/par-ak-see-uhl/US // pærˈæk si əl //UK // (pæˈræksɪəl) //

旁轴,同轴,同轴线,同轴心

Definitions

adj.形容词 adjective

1
Optics.
- : making a small angle with and lying close to the axis of an optical system: paraxial ray.