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Channelling

 - 7 dictionary results

chan⋅nel

1[chan-l] noun, verb, -neled, -nel⋅ing or (especially British) -nelled, -nel⋅ling.
–noun
1. the bed of a stream, river, or other waterway.
2. Nautical. a navigable route between two bodies of water.
3. the deeper part of a waterway.
4. a wide strait, as between a continent and an island.
5. a course into which something may be directed: He hoped to direct the conversation to a new channel.
6. a route through which anything passes or progresses: channels of trade.
7. channels, the specific, prescribed, or official course or means of communication: In an emergency he was able to reach the governor without going through channels.
8. a groove or furrow.
9. a means of access: He considers the Senate a channel to the White House.
10. Architecture.
a. a flute in a column, esp. one having no fillet between it and other flutes.
b. any of the prominent vertical grooves in a triglyph.
11. (in jazz or popular music) a bridge.
12. a frequency band of sufficient width for one- or two-way communication from or to a transmitter used for television, radio, CB radio, telephone, or telegraph communication.
13. Computers. a path for the transfer of signals or data within a computer or between a computer and its peripheral equipment.
14. either of the two signals in stereophonic or any single signal in multichannel sound recording and reproduction.
15. Cell Biology. a transient opening made by a protein embedded in a cell membrane, permitting passage of specific ions or molecules into or out of the cell: calcium channel.
16. a tubular passage for liquids or fluids.
17. Building Trades.
a. any structural member, as one of reinforced concrete, having the form of three sides of a rectangle.
b. a number of such members: channel in 100-foot lengths.
c. channel iron.
–verb (used with object)
18. to convey through or as through a channel: He channeled the information to us.
19. to direct toward or into some particular course: to channel one's interests.
20. to excavate as a channel.
21. to form a channel in; groove.
–verb (used without object)
22. to become marked by a channel: Soft earth has a tendency to channel during a heavy rain.

Origin:
1250–1300; ME chanel < OF < L canālis waterpipe; see canal


chan⋅nel⋅er; especially British, chan⋅nel⋅ler, noun


8. trough, gash, cut. 18. route, direct, steer.

chan⋅nel⋅ing

[chan-l-ing]
–noun
1. Architecture, Furniture. ornamentation with flutes or channels.
2. the practice of professedly entering a meditative or trancelike state in order to convey messages from a spiritual guide.
Also, especially British, chan⋅nel⋅ling.


Origin:
1970–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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chan·nel 1   (chān'əl)   
n.  
  1. The bed of a stream or river.

  2. The deeper part of a river or harbor, especially a deep navigable passage.

  3. A broad strait, especially one that connects two seas.

  4. A trench, furrow, or groove.

  5. A tubular passage for liquids; a conduit.

  6. A course or pathway through which information is transmitted: new channels of thought; a reliable channel of information.

  7. A route of communication or access. Often used in the plural: took her request through official channels.

  8. In communications theory, a gesture, action, sound, written or spoken word, or visual image used in transmitting information.

  9. Electronics A specified frequency band for the transmission and reception of electromagnetic signals, as for television signals.

  10. Computer Science A site on a network, as on IRC, where online conversations are held in real time by a number of computer users.

  11. The medium through which a spirit guide purportedly communicates with the physical world.

  12. A rolled metal bar with a bracket-shaped section.

  13. A temporary opening in a cell membrane that allows ions or molecules to pass into or out of the cell.

tr.v.   chan·neled also chan·nelled, chan·nel·ing also chan·nel·ling, chan·nels also chan·nels
  1. To make or cut channels in.

  2. To form a groove or flute in.

  3. To direct or guide along some desired course: channels her curiosity into research.

  4. To serve as a medium for (a spirit guide).


[Middle English chanel, from Old French, from Latin canālis; see canal.]
chan'nel·er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

channel 
c.1300, "bed of running water," from O.Fr. chanel, from L. canalis "groove, channel, waterpipe" (see canal) Given a broader, figurative sense and a verbal meaning 1590s. Meaning "circuit for telegraph communication" (1848) probably led to that of "band of frequency for radio or TV signals" (1928).
Online Etymology Dictionary, © 2001 Douglas Harper
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Financial Dictionary

channel

In charting, a line connecting a series of high points accompanied by a parallel line connecting a series of low points. The two parallel lines compose the channel in which the variable (for example, a stock price) has been moving and is expected to continue moving. An ascending channel indicates a bullish trend, while a descending channel represents a bearish trend. Breaking downward through an ascending series of low prices or upward through a descending series of high prices indicates a likely change in trend.

Wall Street Words: An A to Z Guide to Investment Terms by David L. Scott.
Copyright © 2003. Published by Houghton Mifflin.
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Medical Dictionary

Main Entry: chan·nel
Pronunciation: 'chan-&l
Function: noun
1 : a usually tubular enclosed passage
2 a : apassage created in a selectively permeable membrane by a conformational change in membrane proteins b : a protein or cluster of proteins that functions as a channel —see CALCIUM CHANNEL BLOCKER
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Encyclopedia

channelling

in solid-state physics, the directionally selective penetration of crystalline solids by a beam of atoms. The effect was predicted in 1912 by the German physicist Johannes Stark but was not confirmed until 1960. The directions in which penetration is greatest characteristically are parallel to crystallographic axes, or planes, and the paths followed by the particles are called channels. For example, heavy atoms pass almost unobstructed through suitably oriented aluminum crystals, traversing distances thousands of times those achieved in nonchanneling directions. The phenomenon is useful in studies of crystal structure and in atomic, nuclear, and solid-state physics and holds promise with regard to the fabrication of semiconductors.

Learn more about channelling with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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