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photonegative
[ foh-tuh-neg-uh-tiv ]
adjective
, Physics.
- pertaining to a substance, as selenium, having a conductivity that decreases upon absorption of electromagnetic radiation.
photonegative
/ ˌfəʊtəʊˈnɛɡətɪv /
adjective
- physics (of a material) having an electrical conductivity that decreases with increasing illumination
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Word History and Origins
Origin of photonegative1
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