insolation 1
/in'soh lay"sheuhn/ , n.
exposure to the sun's rays, esp. as a process of treatment.
[ 1605-15; insolation- (s. of insolatio ). See INSOLATE, -ION ]
insolation 2
/in'soh lay"sheuhn/ , n. Meteorol.
solar radiation received at the earth's surface.
[ in ( coming ) sol ( ar radi ) ation ]