The speed of light.
单词 | θ76306 |
释义 | the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > speed of light (10) light speed1856 The speed of light. eikonal1923 The optical path length of a ray between specified points in the object and image spaces; more widely, a function of position denoting the time… Subcategories:— instrument for measuring (1) — experiment (2) — as limit (1) — distances travelled (2) — time taken (1) — slowing (1) |
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