Other Definitions picosecond (dict)
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PicosecondA picosecond is an SI unit of time equal to 10-12 of a second, or one trillionth (ie, one million millionth) of a second. The word picosecond is formed by the prefix pico and the unit second. Its symbol is ps. See also - 1 E-12 s for a list of times on the order of 1-10 picoseconds
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