Chiefly North American. Of a telephone line, number, or user: not listed in a publicly-accessible telephone directory or available through…
单词 | θ198041 |
释义 | society > communication > telecommunication > telegraphy or telephony > telephony > [adjective] > ex-directory number (3) unlisted1907 Chiefly North American. Of a telephone line, number, or user: not listed in a publicly-accessible telephone directory or available through… private1924 Telephony and Telegraphy. Of a telephone or line: that is permanently for the exclusive use of the subscriber, or not connected to the public… ex-directory1936 Denoting a telephone-number that is not listed in the directory at the request of the subscriber; also of a person who has such a number. |
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