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单词 photoconductive
释义

photoconductiveadj.

Brit. /ˌfəʊtəʊkənˈdʌktɪv/, U.S. /ˈˌfoʊdəkənˈdəktɪv/
Origin: Formed within English, by compounding. Etymons: photo- comb. form, conductive adj.
Etymology: < photo- comb. form + conductive adj. Compare photoconduction n. 2, photoconductor n., and slightly earlier photoconducting adj., photoconductivity n.
Physics.
Photoconducting; of or relating to the property of being photoconducting.
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the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > [adjective] > relating to photoconduction
photonegative1915
photopositive1915
photoconducting1924
photoconductive1929
1929 N. R. Campbell & D. Ritchie Photoelectric Cells i. 1 Selenium cells might be termed photo-conductive.
1929 Jrnl. Physical Chem. 33 272 It is a task for the future to determine how the ‘activation’ producing the responsive isolated ions in photoconductive crystals is brought about.
1957 Proc. Inst. Electr. Engineers 104 B. 467/1 In 1873, Smith discovered the change in conductivity of selenium when sunlight fell upon it—the photo-conductive effect.
1960 Time 8 Mar. 2/3 The effects of light, X and gamma radiation on photoconductive materials.
1995 School Sci. Rev. June 75/2 The reflectance was measured using a solid state photoconductive detector.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1929
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