nonradiative-relaxation
non-real-time
nonreciprocal
nonreciprocity
nonrecombining
nonrectangular
nonrectifying
nonrecursive
nonredundant
nonreentrant
  nonreflecting
nonreflective
nonregenerative
nonrelativistic
nonrepairable
nonresonant
nonreturn-to-zero
nonselective
non-self-luminous
non-self-maintained
non-self-sustained