| 单词 | thermophone |
| 释义 | thermophone[ thur-muh-fohn ] / ˈθɜr məˌfoʊn / nounan electroacoustic transducer that forms sound waves by the expansion and contraction of the air adjacent to a conductor that varies in temperature according to the magnitude of the current passing through it; formerly used to calibrate microphones. Origin of thermophoneFirst recorded in 1875–80; thermo- + -phone Words nearby thermophonethermoperiodic, thermoperiodicity, thermoperiodism, thermophile, thermophilic, thermophone, thermophore, thermophosphorescence, thermophylic, thermopile, thermoplacentography Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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