channelization

The straightening and widening of a stream or river.

Section 404 of the Clean Water Act does not regulate activities such as drainage, ditching, and channelization for agricultural production.

The division of a wide-band communications channel into multiple narrow-band channels.

1979, Radiofrequency use and management: impacts from the World Administrative Radio Conference of 1979. The specific frequency bands are not consistent with the current design and channelization plans for the DSCS [Defense Satellite Communications System] III.