单词 | phonopore |
释义 | phonopore/ˈfəʊnəpɔː/Telephony. Now historical noun An apparatus incorporating two insulated wires wound together so as to combine features of a capacitor and an induction coil, by means of which a telephone or telegraph circuit could be superimposed on an active circuit without interfering with the current carrying the original transmission. OriginLate 19th century; earliest use found in The Manufacturer and Builder. From phono- + ancient Greek πόρος passage; compare quot. 1891. |
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