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 American rock band’s sound is described as pop-punk and the group itself is known for its high-energy live performances. Katie Decker-Jacoby, StyleCaster, 9 Apr. 2025 These orcas have been seen disemboweling sharks and extracting their livers, a high-energy organ, with surgical precision. Melissa Cristina Márquez, Forbes.com, 8 Apr. 2025 Even check-dams – small dams used to control high-energy floods – worked in multiple ways. Ari Caramanica, The Conversation, 8 Apr. 2025 In fact, his physicality and high-energy moves are vital to his charm. Rachel McRady, People.com, 8 Apr. 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

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Cite this Entry

“High-energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-energy. Accessed 15 Apr. 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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