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open-line

American

[oh-puhn-lahyn] / ˈoʊ pənˌlaɪn /

adjective

(of a radio or TV show) maintaining open telephone lines to permit listeners or viewers to phone a program with comments, questions, requests, etc.; call-in.

open-line British

noun

Also called (in Britain and certain other countries): phone-in. a radio or television programme in which listeners' or viewers' questions, comments, etc, are telephoned to the studio and broadcast live.

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of open-line

First recorded in 1965–70

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023