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Telemetry is used to obtain data on the internal functioning of missiles, rockets, unmanned planes, satellites, and probes, providing data on such factors as position, altitude, and speed as well as conditions like temperature, air pressure, wind speed, and radiation. Weather forecasters rely on telemetry to map weather patterns. Astronauts on the space shuttle are monitored with telemetry that measures and transmits readings on their blood pressure, respiration, and heart rates. Similar kinds of telemetry are used by biologists to study animals in the wild and keep track of their populations and movements. Telemetry is also widely used in modern agriculture, often to regulate irrigation.
Examples of telemetry in a Sentence
Bradley Iger, Robb Report, 27 Aug. 2025
Policies and access controls define what actions are permitted, while telemetry and alert streams provide insight into health and recent events.
—Carl Moberg, Forbes.com, 27 Aug. 2025
The routine comms protocol is designed to maintain confirmation of the satellite's telemetry and onboard systems status.
—Josh Dinner, Space.com, 26 Aug. 2025
Technological advances since the mid-1970s, including acoustic and satellite telemetry, inexpensive underwater cameras, and aerial and underwater drones, have given us insights into the biology, ecology, and behavior of sharks that were previously unobtainable.
—Hans Walters, New York Daily News, 19 July 2025
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Cite this Entry
“Telemetry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telemetry. Accessed 10 Sep. 2025.
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telemetry
noun
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