You searched for: “photoluminescent
photoluminescent (adjective), more photoluminescent, most photoluminescent
Results of exposures to lucent or light waves that come from matter after it has absorbed photons or electric radiation: Photoluminescence is an important technique for measuring the purity and crystalline quality of semiconductors.

The rocks in the cave appeared to have a photoluminescent quality about them as they were blinking in the beam of the explorer's flashlight.

This entry is located in the following units: -esce, -escent, -escence (page 7) lumen-, lumin-, lum- (page 4)
(using an instrument to detect photoluminescent signals in marine environments)