high-energy

adjective

high-en·​er·​gy ˈhī-ˈe-nər-jē How to pronounce high-energy (audio)
1
a
: having such speed and kinetic energy as to exhibit relativistic departure from classical laws of motion
used especially of elementary particles whose velocity has been imparted by an accelerator
b
: of or relating to high-energy particles
2
: yielding a relatively large amount of energy when undergoing hydrolysis

Examples of high-energy in a Sentence

Recent Examples on the Web
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The show was dynamic and high-energy with exceptional musicianship, and artists singing Beatles songs, Ringo favorites, and a few songs from his new album. Pam Windsor, Forbes, 18 Jan. 2025 The epoch of reionization describes the period from 680 million years to 1.1 billion years after the Big Bang, during which high-energy light began to strip electrons away from hydrogen ions, allowing light to travel freely once more. Robert Lea, Space.com, 17 Jan. 2025 Coming later this year is its nightlife companion Elixir, a high-energy lounge. Connie Ogle, Miami Herald, 16 Jan. 2025 About 80 percent of the Energy Department’s $52 billion annual budget goes toward maintaining the nation’s nuclear arsenal, cleaning up environmental messes from the Cold War and conducting research in areas like high-energy physics. Brad Plumer, New York Times, 15 Jan. 2025 See all Example Sentences for high-energy 

Word History

First Known Use

1934, in the meaning defined at sense 1a

Time Traveler
The first known use of high-energy was in 1934

Dictionary Entries Near high-energy

Cite this Entry

“High-energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-energy. Accessed 22 Jan. 2025.

Medical Definition

high-energy

adjective
: yielding a relatively large amount of energy when undergoing hydrolysis
high-energy phosphate bonds in ATP
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