Definition of picosecond in English:

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picosecond

Pronunciation: /ˈpiːkəʊsɛkənd/
/ˈpʌɪkəʊsɛkənd/
(abbreviation ps)

noun

One trillionth of a second: the first picosecond of the Big Bang
More example sentences
  • A typical chemical reaction takes place on a timescale of about a picosecond.
  • In contrast, most current MD simulations for larger realistic systems are usually restricted to a few nanoseconds or picoseconds.
  • They plan to use a UV laser to fire a 5-joule pulse lasting less than half a picosecond.
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