What is a channel?
The word "channel" can be found in many industries. It is used by such sciences as hydrography, engineering, physics, biology, etc.
But in general this term denotes any passage or system connecting two objects.
What is a channel in different meanings of this word
Let us consider in more detail what a channel is. So.
- In hydrography, the term "canal" is the channel(artificial), filled with water, which is laid in the ground and connects two or more bodies of water, is intended for irrigation, melioration, drainage (drainage) of marshes or water supply of arid areas. A canal can also be designated as a narrow passage, for example, in ice, for passage of ships. An example of the canal is the White Sea-Baltic Canal, the Suez Canal.
- What is a channel in physics? If communication channel (television, radio channel, tone frequency channel, etc.) is meant, there are two or more devices that are united by a communication line operating at certain frequencies of waves.
Also you can find out about the causes of the problems with the communication channels - just read our article Why channels do not work.
- The term is also used in biology, bearing in minda thin hollow space inside an organ. For example - a canal in the root of the tooth, in which there are blood vessels supplying it with oxygen and nutrients, and nerves or the urethra.
The use of words in sentences
The term can be used in this expression: "The shipping channels are created for the passage of various kinds of water transport on them." "The dentist advised to expand the canal for tooth treatment." "The television channel will begin broadcasting live sports news at 21.00."