high-energy

adjective
high-en·er·gy | \ˈhī-ˈe-nər-jē \

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

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The first known use of high-energy was in 1934

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high-energy

adjective

Medical Definition of high-energy 

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

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