1. (adjective) (of a nuclear reaction) occurring with evolution or releasing of energy

• exoergic

2. (adjective) of or relating to catabolism

• destructive-metabolic

1. (adjective) of or relating to catabolism

• catabolic
• katabolic

1. (adjective) (of a nuclear reaction) occurring with evolution or releasing of energy

• exothermal
• exothermic
• heat-releasing

1. (adjective) (of a nuclear reaction) occurring with evolution or releasing of energy

• endoergic
• energy-absorbing