channelとは意味・読み方・使い方

語源 1

From Middle English chanel (also as canel, cannel, kanel), a borrowing from Old French chanel, canel, from Latin canālis (“groove; canal; channel”). Doublet of canal.

名詞

channel (複数形 channels)

1. The physical confine of a river or slough, consisting of a bed and banks.

   The water coming out of the waterwheel created a standing wave in the channel.

2. The natural or man-made deeper course through a reef, bar, bay, or any shallow body of water.
   • 2013 January 1, Nancy Langston, “The Fraught History of a Watery World”, in American Scientist‎^[1], volume 101, number 1, page 59:

     European adventurers found themselves within a watery world, a tapestry of streams, channels, wetlands, lakes and lush riparian meadows enriched by floodwaters from the Mississippi River.

   A channel was dredged to allow ocean-going vessels to reach the city.

3. The navigable part of a river.

   We were careful to keep our boat in the channel.

4. A narrow body of water between two land masses.

   The English Channel lies between France and England.

   • 2018 May 14, Jon Stone in Brussels, The Independent‎^[2]:

     Our citizens and our businesses on both sides of the channel need more security and predictability for the future

5. Something through which another thing passes; a means of conveying or transmitting.

   The news was conveyed to us by different channels.

   • 1834, Letitia Elizabeth Landon, Francesca Carrara, volume 3, pages 69-70:

     But I write to tell you what you will hear through all the various channels by which news travels,...

   • 1859, John Call Dalton, A Treatise on Human Physiology

     The veins are converging channels.

   • 1790 November, Edmund Burke, Reflections on the Revolution in France, and on the Proceedings in Certain Societies in London Relative to that Event. […], London: […] J[ames] Dodsley, […], OCLC 946162345:

     At best, he is but a channel to convey to the National Assembly such matter as may import that body to know.

6. A gutter; a groove, as in a fluted column.
7. (construction, mechanical engineering) A structural member with a cross section shaped like a squared-off letter C.
   • 1960, “Structural Shapes”, in Construction Materials, Concrete Construction, and Engineer Computations, U.S. Government Printing Office:

     The channel is not very efficient as a beam or column when used alone, but built-up members may be constructed of channels assembled together with other structural shapes and connected by rivets or welds.

8. (electronics) A connection between initiating and terminating nodes of a circuit.

   The guard-rail provided the channel between the downed wire and the tree.

9. (electronics) The narrow conducting portion of a MOSFET transistor.
10. (communication) The part that connects a data source to a data sink.

    A channel stretches between them.

11. (communication) A path for conveying electrical or electromagnetic signals, usually distinguished from other parallel paths.

    We are using one of the 24 channels.

12. (communication) A single path provided by a transmission medium via physical separation, such as by multipair cable.

    The channel is created by bonding the signals from these four pairs.

13. (communication) A single path provided by a transmission medium via spectral or protocol separation, such as by frequency or time-division multiplexing.

    Their call is being carried on channel 6 of the T-1 line.

14. (broadcasting) A specific radio frequency or band of frequencies, usually in conjunction with a predetermined letter, number, or codeword, and allocated by international agreement.

    KNDD is the channel at 107.7 MHz in Seattle.

15. (broadcasting) A specific radio frequency or band of frequencies used for transmitting television.

    NBC is on channel 11 in San Jose.

    • 2008, Lou Schuler, "Foreward", in Nate Green, Built for Show, page xi

      TV back then was five channels (three networks, PBS, かつ an independent station that ran I Love Lucy reruns), […]

16. (storage) The portion of a storage medium, such as a track or a band, that is accessible to a given reading or writing station or head.

    This chip in this disk drive is the channel device.

17. (technic) The way in a turbine pump where the pressure is built up.

    The liquid is pressurized in the lateral channel.

18. (business, marketing) A distribution channel
19. (Internet) A particular area for conversations on an IRC network, analogous to a chat room and often dedicated to a specific topic.
20. (Internet, historical) A means of delivering up-to-date Internet content.
    • 1999, Jeffrey S Rule, Dynamic HTML: The HTML Developer's Guide

      Netcaster is the "receiver" for channels that are built into Netscape 4.01 and later releases.

    • 1999, Margaret Levine Young, Internet: The Complete Reference:

      To access channels in Windows 98, you don't have to go any farther than your desktop.

21. A psychic or medium who temporarily takes on the personality of somebody else.

同意語

• (narrow body of water between two land masses) passage, sound, strait
• (for television) side (dated 英国用法, from when there were only two channels), station (米国用法)
• (groove, as in a fluted column) groove, gutter
• (structural member) C-channel

派生語

関連する語

• canal

派生した語

• → Japanese: チャンネル (channeru)
• → Korean: 채널 (chaeneol)
• → Welsh: sianel

語源 2

From Middle English chanelen, from the noun (see above).

動詞

channel (三人称単数 現在形 channels, 現在分詞 channeling または channelling, 過去形および過去分詞形 channelled または channeled)

1. (transitive) To make or cut a channel or groove in.
2. (transitive) To direct or guide along a desired course.

   We will channel the traffic to the left with these cones.

3. (transitive, of a spirit, as of a dead person) To serve as a medium for.

   She was channeling the spirit of her late husband, Seth.

4. (transitive) To follow as a model, especially in a performance.

   He was trying to channel President Reagan, but the audience wasn't buying it.

   When it is my turn to sing karaoke, I am going to channel Ray Charles.

派生語

• backchannel