What does "satellite town" mean?

A self-contained town, as opposed to a mere suburb, on the periphery of a metropolitan area.

What is a synonym for "satellite town"?

Common synonyms include: outlying settlement, suburbs.

noun

noun ·Rare ·Advanced level

Noun

1
A self-contained town, as opposed to a mere suburb, on the periphery of a metropolitan area.
"Slough and Staines are just two of London's satellite towns."

"Slough and Staines are just two of London's satellite towns."