ultrashort
extremely short.
(of a wavelength) smaller than 10 meters.
Origin of ultrashort
1Words Nearby ultrashort
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ultrashort in a sentence
This “ultrashort-period” planet has a tight orbit, with a year lasting only eight hours—alien birthday parties there would accumulate so fast they’d get very tedious.
On this blisteringly hot metal planet, a year lasts only 8 hours | Leto Sapunar | December 2, 2021 | Popular-ScienceThat makes it the first ultrashort-period planet — a class of worlds with years shorter than one Earth day and with mysterious origins — known to be smaller and lighter than Earth.
This tiny, sizzling exoplanet could be made of molten iron | Lisa Grossman | December 2, 2021 | Science NewsIf you’re wondering why anyone would bother, there are a few ways scientists can put ultrashort pulses to work.
When light flashes for a quintillionth of a second, things get weird | Rahul Rao | November 8, 2021 | Popular-Science
British Dictionary definitions for ultrashort
/ (ˌʌltrəˈʃɔːt) /
(of a radio wave) having a wavelength shorter than 10 metres
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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