satellite

/ˈsætəlaɪt/noun

A machine sent into orbit around the Earth or another body in space, usually to send back signals or data.

Example sentence

“Weather satellites track the hurricane as it moves across the ocean.”

Natural moons are satellites too: the Moon is Earth's. As a modifier it means dependent and outlying: satellite towns, a satellite office.

Related words

broadbandA fast Internet connection delivered over an existing line, such as a phone line with ADSL or a cable modem.antennaA device that sends or receives radio and other electromagnetic signals, converting them to or from electrical form.ethernetA wired system for connecting computers into a network, built on a widely used technical standard.adapterA device that lets two pieces of equipment work together when they would not otherwise connect.gigabyteA unit of computer data equal to one billion bytes, or 1,000 megabytes.modemA device that converts computer data into signals that can travel over a telephone line, and back again, so computers can connect to each other.