单词 | light valve |
释义 | light valvenoun Electricity.a light-transmitting device having transmissions that vary in accordance with an electric input, as voltage, current, or an electron beam, used chiefly for recording sound on motion-picture film. Origin of light valveFirst recorded in 1925–30 Words nearby light valvelight therapy, lighttight, light trap, light treatment, light up, light valve, light verse, light water, lightweight, light welterweight, lightwood Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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