| 单词 | photodetector |
| 释义 | photodetector[ foh-toh-di-tek-ter ] / ˈfoʊ toʊ dɪˌtɛk tər / nounphotosensor. Electronics. any device, as a photodiode, phototube, or photovoltaic cell, that uses the photoelectric effect to convert radiant energy into an electrical signal. Origin of photodetectorFirst recorded in 1945–50; photo- + detector Words nearby photodetectorphotocopy, photocurrent, photodecomposition, photodegradable, photodermatitis, photodetector, photodiode, photodisintegration, photodissociation, photodistribution, photodrama Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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