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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However the other belt contained a substantial abundance of high-energy protons, too (protons are found also in the permanent radiation belts). Keith Cooper, Space.com, 11 Feb. 2025 Watch Lady Gaga's pre-Super Bowl performance Lady Gaga celebrates Super Bowl with 'sports' and 'spells' Gaga also took to social media on Sunday to celebrate Super Bowl 59 with a high-energy dance video. Edward Segarra, USA TODAY, 10 Feb. 2025 What to expect: Founder Cornell Jones created the weekly local movement with a welcoming community of high-energy individuals looking to exercise with people of all races and paces. Alexis Clinton, Axios, 10 Feb. 2025 Christian Cowan is known for his bold, glamorous, and high-energy designs that often feature vibrant colors, daring cuts, and statement-making embellishments. Essence, 8 Feb. 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 18 Feb. 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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