mastergroup
Telecommunications
noun
An assembly of (in Britain) 300 or (in the United States) 600 voice channels on a single transmission band, formed by the combination of, respectively, five or ten supergroups each containing sixty voice channels.
Origin
1960s.
- protoconal
- protoconch
- protocone
- protoconid
- protocontinent
- protoconule
- protocorinthian
- protocorm
- protoctist
- Protoctista
- protoctistan
- protocultural
- protoculture
- proto-deacon
- protoderm
- proto-diasystem
- protodipnoan
- protodolomite
- protodynastic
- proto-Earth
- proto-Elamite
- protoenstatite
- Protoevangelion
- Protoevangelium
- protofibril