reemit
verb
re·emit (ˌ)rē-ē-ˈmit 
variants or re-emit
reemitted or re-emitted; reemitting or re-emitting
: to emit (something) again
reemitting absorbed light
reemission
(ˌ)rē-ē-ˈmi-shən
noun or re-emission
plural reemissions or re-emissions
the reemission of noxious fumes
Word History
First Known Use
circa 1726, in the meaning defined above