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channel science definition
- A specified frequency band for the transmission and reception of electromagnetic signals, as for television signals.
- The part of a field effect transistor, usually U-shaped, through which current flows from the source to the drain. See more at field effect transistor.
- A pathway through a protein molecule in a cell membrane that modulates the electrical potential across the membrane by controlling the passage of small inorganic ions into and out of the cell.
- The bed or deepest part of a river or harbor.
- A large strait, especially one that connects two seas.
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