noninert

/ˌnɑnɪˈnɜrt/
adjective
  1. Not chemically inactive; able to react or change.
    • The lab uses noninert materials that react under certain conditions.
    • Noninert gases can form compounds with other elements.
    • Unlike helium, some noninert substances are dangerous to store without precautions.
  2. Active or moving; not still or lifeless.
    • In a noninert state, the particles vibrate and collide with each other.
    • The volcano was noninert, with steam rising from its crater.
    • The artist preferred noninert poses, capturing subjects in motion.
Antonyms
What does "noninert" mean? | whatsthatwordmean | whatsthatwordmean