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superluminal (adj) – (General Physics) Physics of or relating to a speed or velocity exceeding the speed of light

Source : The Free Dictionary

Etymology : One of the Latin sources for the English adjective superluminal ?faster than the speed of light? is the very familiar prefix and preposition super- ?above, beyond.? The second Latin source is the adjective l?min?sus ?filled with light, dazzling, luminous? a derivative of the noun l?men ?light, radiance,? from an assumed leuksmen or louksmen, a derivative of the root noun lux (stem luc-) ?light.? The same root, leuk- (and its variant louk-) lies behind the Latin noun l?na ?moon,? from an assumed louksn?. Superluminal entered English in the 20th century.

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