plural of optical spectrum

plural of optic axis

A scientific instrument that uses lasers to manipulate objects on the micron scale as if by using tweezers.

(optics) An imaginary line within an optical system around which there is rotational symmetry.

A wand-like device for optical character recognition.

plural of optical wand

plural of optical delusion

(dated) A vision or image that is deceptive or misleading, such as an optical illusion or a trick of the light.

plural of optic foramen

(anatomy) Either of a pair of passages through the orbit of the eye in the lesser wing of the sphenoid bone that is traversed by the optic nerves and ophthalmic arteries.