- making a small angle with and lying close to the axis of an optical system: paraxial ray.
- (of a light ray) parallel to the axis of an optical system
More Definitions
- SANTOLINA (noun) Definition, Meaning & Examples
- BOOGIE (noun) Definition, Meaning & Examples
- ABSORBENT COTTON (noun) Definition, Meaning & Examples
- LIPPIZANER (noun) Definition, Meaning & Examples
- POCKET CALCULATOR (noun) Definition, Meaning & Examples
- SUN GREBE (noun) Definition, Meaning & Examples