cordlessadj.

/ˈkɔːdlɪs/

Etymology: < cord n.¹ + -less suffix.

Of an electric device or appliance: working without a flex or cord; battery-powered.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > voltaic or galvanic battery > [adjective] > powered by a battery

cordless1906

battery-operated1930

battery-powered1957

1906 J. Poole Pract. Telephone Handbk. (ed. 3) xii. 170 The small and simpler [switch-]boards ..may be divided into two classes—(1) the Cordless, in which the connections are made by means of plugs only; and (2) the Plug and Cord.

1923 T. E. Herbert Telephony xiv. 349 Cordless boards. When the number of lines to be connected is small, it is possible..to effect all the required connections with the aid of plugs and jacks.

1923 T. E. Herbert Telephony xiv. 351 An example will be given of a cordless type of board used on C.B. exchanges.

1948 J. Atkinson Herbert & Procter's Teleph. I. x. 182/2 The cordless switchboard has valuable advantages due to the absence of flexible conductors.

1962 E. Bruton Dict. Clocks & Watches 51 Cordless clock, American name for a battery clock.

1964 New Scientist 1 Oct. 40/1 Much publicity has been given, particularly in the United States, to the use of batteries in..‘cordless appliances’—electric shavers, hand power tools, vibrating tooth brushes.

1969 Times 17 Nov. 18/5 (advt.) The cordless hotplate!.. Plug it in for about 10 mins, then use it cordless, for over an hour.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2019).

单词	cordless
释义	cordlessadj. /ˈkɔːdlɪs/ Etymology: < cord n.¹ + -less suffix. Of an electric device or appliance: working without a flex or cord; battery-powered. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > voltaic or galvanic battery > [adjective] > powered by a battery cordless1906 battery-operated1930 battery-powered1957 1906 J. Poole Pract. Telephone Handbk. (ed. 3) xii. 170 The small and simpler [switch-]boards ..may be divided into two classes—(1) the Cordless, in which the connections are made by means of plugs only; and (2) the Plug and Cord. 1923 T. E. Herbert Telephony xiv. 349 Cordless boards. When the number of lines to be connected is small, it is possible..to effect all the required connections with the aid of plugs and jacks. 1923 T. E. Herbert Telephony xiv. 351 An example will be given of a cordless type of board used on C.B. exchanges. 1948 J. Atkinson Herbert & Procter's Teleph. I. x. 182/2 The cordless switchboard has valuable advantages due to the absence of flexible conductors. 1962 E. Bruton Dict. Clocks & Watches 51 Cordless clock, American name for a battery clock. 1964 New Scientist 1 Oct. 40/1 Much publicity has been given, particularly in the United States, to the use of batteries in..‘cordless appliances’—electric shavers, hand power tools, vibrating tooth brushes. 1969 Times 17 Nov. 18/5 (advt.) The cordless hotplate!.. Plug it in for about 10 mins, then use it cordless, for over an hour. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2019). < adj.1906
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