channelization

noun

Etymology: Etymology tree English channel Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ization English channelization From channel + -ization.

1. 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.”

2. 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.”