— emanational , adj.
/em'euh nay"sheuhn/ , n.
1. an act or instance of emanating.
2. something that emanates or is emanated.
3. Physical Chem. a gaseous product of radioactive disintegration, including radon, thoron, and actinon. Symbol: Em
[ 1560-70; emanation- (s. of emanatio ), equiv. to emanat ( us ) (see EMANATE) + -ion- -ION ]