| 单词 | photonegative |
| 释义 | 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. Origin of photonegativeFirst recorded in 1910–15; photo- + negative Words nearby photonegativephotomultiplier, photomural, photomyoclonus, photon, photonasty, photonegative, photoneutron, photonic, photonics, photonovel, photonuclear Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for photonegativephotonegative / (ˌfəʊtəʊˈnɛɡətɪv) / adjectivephysics (of a material) having an electrical conductivity that decreases with increasing illumination Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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