light

As a proper noun light

is .

As a noun superlens is

(physics) any of several lenses, often built using material with negative refractive index, that can resolve images having dimensions less than that of the wavelength of light used.

As verbs the difference between light and defocus

is that light is to start (a fire) while defocus is to deliberately cause a lens, or a beam of light or particles, to be out of focus.

As a noun light

is the natural medium emanating from the Sun and other very hot sources (now recognised as electromagnetic radiation with a wavelength of 400-750 nm), within which vision is possible.

As an adjective light

is having light.

As an adverb light

is carrying little.

As a proper noun Light

is {{surname|lang=en}.