R1A1D2I1A1T1I1O1N1S1
11 points
RADIATIONS is validvalid
RADIATION, the act of radiating [n]
RADIATION, heat transport without the intervention of matter, as in the transport of heat from the Sun to the Earth [n]
RADIATION, the act of radiating [n]
RADIATION, heat transport without the intervention of matter, as in the transport of heat from the Sun to the Earth [n]