radiationless

/ˌreɪdiˈeɪʃənləs/
adjective
  1. Not producing or involving radiation.
    • Some chemical reactions are radiationless, meaning they release energy without emitting light.
    • The new heating system is radiationless, using only convection to warm the room.
    • Engineers designed a radiationless cooling method for the electronics.
What does "radiationless" mean? | whatsthatwordmean | whatsthatwordmean