radiationless en · ADJ
Etymology
Etymology tree Latin radiatiolbor. English radiation Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English radiationless From radiation + -less.
Meanings
- (not-comparable) That involves no radiation of energy