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 acceleratorb : of or relating to high-energy particles
2 : yielding a relatively large amount of energy when undergoing hydrolysis
First Known Use of high–energy
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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