ul·​tra·​short ˌəl-trə-ˈshȯrt How to pronounce ultrashort (audio)
: having a wavelength below 10 meters
ultrashort radiation
: very short in duration
an ultrashort pulse of light

Examples of ultrashort in a Sentence

Recent Examples on the Web So how do physicists use these ultrashort pulses to make movies of electrons at the attosecond scale? Niranjan Shivaram, The Conversation, 4 Oct. 2023 Earlier in the pandemic, start-ups offered ultrashort-term rentals of hotels and homes for work calls and naps. Curbed, 18 Mar. 2022 Mourou suggested stretching an ultrashort pulse of light of low energy, amplifying it and then compressing it. Donna Strickland, Discover Magazine, 14 Jan. 2019 Now, ultrashort-term U.S. debt is by far the best option. Derek Horstmeyer, WSJ, 3 Dec. 2022 Walking through this collection, Lenny ran fingers along ultrashort tow-in surfboards and 10-foot paddle-in boards with strangely bulbous front ends. Daniel Duane, Wired, 23 Dec. 2021 But further studies of Mercury, along with more observations and discoveries of ultrashort-period planets using next-generation facilities such as the James Webb Space Telescope, could get us closer to an answer of how such worlds come to be. Jonathan O'Callaghan, Scientific American, 2 Dec. 2021 Modern ultrashort-pulse lasers provide a reliable means to create plasma remotely. David Hambling, Forbes, 6 July 2021 The trailblazing Jazz Age performer was said to have applied egg whites to her ultrashort hair to achieve a sleek, head-turning sheen. Katharine K. Zarrella, WSJ, 17 June 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrashort.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined at sense 1

Time Traveler
The first known use of ultrashort was in 1926

Dictionary Entries Near ultrashort

Cite this Entry

“Ultrashort.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrashort. Accessed 20 Apr. 2024.

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