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Definition of call sign noun from the Oxford Advanced Learner's Dictionary

call sign

noun
 
/ˈkɔːl saɪn/
 
/ˈkɔːl saɪn/
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  1. the letters and numbers used in radio communication to identify the person who is sending a message
See call sign in the Oxford Advanced American Dictionary
Check pronunciation: call sign

Nearby words

brink
noun
 
 
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Danger
C2
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