plural of optical rotation

plural of optic disc

plural of optical fibre

plural of optic disk

plural of optical trap

A class of glass used to create optical lenses, such as that for spectacles or spyglasses

The degree of optical activity of a solution

The optical axis. / (crystallography, mineralogy) The direction in which a ray of light passing through a crystal does not suffer double refraction.

(business, often attributive) A business practice in which a customer agrees to have goods or services provided automatically, and must either continue to pay for the service or specifically decline before being rebilled.

Alternative letter-case form of Low Exercise Price Option.