In percolation filtration, a portion of the clay bed where there is a preponderance of flow.

A natural or artificial waterway connecting two bodies of water or containing moving water.

1. A band of radio frequencies allocated for a particular purpose; a standard broadcasting channel is 10 kilohertz wide, a television channel 6 megahertz wide.

2. A path through which electrical transmission of information takes place.

1. A path along which digital or other information may flow in a computer.

2. The section of a storage medium that is accessible to a given reading station in a computer, such as a path parallel to the edge of a magnetic tape or drum or a path in a delay-line memory.

3. One of the longitudinal rows of intelligence holes punched along the length of paper tape. Also known as level.

4. A device or portion of a computer that controls and stores data and transfers information between the computer and peripheral equipment.

1. A path for a signal, as an audio amplifier may have several input channels.

2. The main current path between the source and drain electrodes in a field-effect transistor or other semiconductor device.

The forming of cavities in a gear lubricant at low temperatures because of congealing.

The deeper portion of a waterway carrying the main current.

Navigable portion of a body of water.

A passage for fuel slugs or heat-transfer fluid in a reactor.

In a drilling operation, a cavity appearing behind the casing because of a defect in the cement.