plural of light sail

(rail transport) A locomotive running on its own, or with other powered locomotives, with no wagons or carriages attached.

plural of light engine

plural of zodiacal light

Third-person singular simple present indicative form of light out

present participle of light out

(physics) A path a photon or a group of photons takes through space, visible as a column of light. / (idiomatic) An inspiring or enlightening person or thing.

plural of ray of light

(idiomatic, often in the negative or ironic) That which is good, pleasant, pure, etc.

(astronomy, physics) A unit of length equal to the distance light travels in one second: approximately 300,000 kilometers