pi·​co·​sec·​ond | \ ˌpē-kō-ˈse-kənd How to pronounce picosecond (audio) , -kənt \

Definition of picosecond

: one trillionth of a second

Examples of picosecond in a Sentence

Recent Examples on the Web Rapid switching is possible in principle (the laser should be able to switch in picoseconds), but that still has to be done in practice. Chris Lee, Ars Technica, 17 May 2020 Lasers that generate picosecond pulses with average powers of 50W are not that hard to obtain. Chris Lee, Ars Technica, 30 Aug. 2019 Ytterbium is highly stable, so ytterbium atomic clocks are accurate past the nanosecond scale, all the way to the picosecond and femtosecond scale (1/1,000,000,000,000,000th of a second). Avery Thompson, Popular Mechanics, 28 Nov. 2016 The result is that a pulse generator with a 14-bit digital-to-analog converter and a temporal resolution of 1 nanosecond can change the timing between the centers of pulses by just a picosecond or so. Chris Lee, Ars Technica, 25 Jan. 2018 This has been the biggest breakthrough for laser technology in 20 years as the picoseconds release their energy in one trillionth of a second, breaking up the bonds of the tattoo ink into very fine particles. Nazanin Saedi, M.d., Philly.com, 11 Oct. 2017 In recent years, a variety of picosecond lasers have become commercially available. Nazanin Saedi, M.d., Philly.com, 11 Oct. 2017 The whole process, the paper claims, happens in less than 5 picoseconds, or 5 trillionths of a second. Caleb Garling, WIRED, 8 Feb. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'picosecond.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of picosecond

circa 1962, in the meaning defined above

History and Etymology for picosecond

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Time Traveler for picosecond

Time Traveler

The first known use of picosecond was circa 1962

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Cite this Entry

“Picosecond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/picosecond. Accessed 28 Jan. 2022.

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More Definitions for picosecond


pi·​co·​sec·​ond | \ ˈpē-kō-ˌsek-ənd, -ənt How to pronounce picosecond (audio) \

Medical Definition of picosecond

: one trillionth of a second abbreviation ps


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