adjective Date: 1934 1. having such speed and kinetic energy as to exhibit relativistic departure from classical laws of motion, of or relating to ~ particles, yielding a relatively large amount of energy when undergoing hydrolysis
HIGH-ENERGY
Meaning of HIGH-ENERGY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012