high-energy

adjective
high-en·​er·​gy | \ ˈhī-ˈe-nər-jē How to pronounce high-energy (audio) \

Definition of high-energy

1a : 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

First Known Use of high-energy

1934, in the meaning defined at sense 1a

Keep scrolling for more

Learn More about high-energy

Time Traveler for high-energy

Time Traveler

The first known use of high-energy was in 1934

See more words from the same year

Statistics for high-energy

Cite this Entry

“High-energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-energy. Accessed 15 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for high-energy

high-energy

adjective

Medical Definition of high-energy

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

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!