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photonegative
pho·to·neg·a·tive P0265950 (fō′tō-nĕg′ə-tĭv)adj. Biology Tending to move away from light.photonegative (ˌfəʊtəʊˈnɛɡətɪv) adj (General Physics) physics (of a material) having an electrical conductivity that decreases with increasing illumination
photonegative
photonegative[¦fōd·ō′neg·ə·tiv] (electronics) Having negative photoconductivity, hence decreasing in conductivity (increasing in resistance) under the action of light; selenium sometimes exhibits photonegativity. photonegative
photonegative (fō′tō-nĕg′ə-tĭv)adj. Biology Tending to move away from light. |