private wire
Telephony
noun
1= private line.
2A wire in an exchange used to test whether a line is in use without intrusion on a call in progress.
Origin
Mid 19th century.
- combi
- combinable
- combination
- Combination Act
- combinational
- combinational circuit
- combination lock
- combination oven
- combination skin
- combination therapy
- combinative
- combinatorial
- combinatorial chemistry
- combinatorially
- combinatorics
- combinatory
- combine
- combined pill
- combine harvester
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- combing wool
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- comb jelly
- comb-like