ul·tra·high
| \ ˌəl-trə-ˈhī
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Definition of ultrahigh
: extremely or extraordinarily high
ultrahigh speeds/temperatures a car designed for ultrahigh performance Eager to catch shoppers' eyes, television manufacturers are shipping TVs from the factory with brightness and contrast set ultrahigh.— Evan Ramstad
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“Ultrahigh.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrahigh. Accessed 25 Feb. 2021.
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Time Traveler for ultrahigh
The first known use of ultrahigh was in 1822
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