photonegative
[ foh-tuh-neg-uh-tiv ]
/ ˌfoʊ təˈnɛg ə tɪv /
adjective Physics.
pertaining to a substance, as selenium, having a conductivity that decreases upon absorption of electromagnetic radiation.
Words nearby photonegative
photomultiplier,
photomural,
photomyoclonus,
photon,
photonasty,
photonegative,
photoneutron,
photonic,
photonics,
photonovel,
photonuclear
British Dictionary definitions for photonegative
photonegative
/ (ˌfəʊtəʊˈnɛɡətɪv) /
adjective
physics
(of a material) having an electrical conductivity that decreases with increasing illumination