sondes
/sɑndz/
noun
- Devices used to explore or measure conditions in remote or hard-to-reach places, such as the atmosphere, outer space, or inside the body.
- Space agencies send sondes to Mars to collect data about its surface and atmosphere.
- Doctors use small sondes to check for blockages inside a patient's arteries.
- Weather balloons carry sondes to measure temperature and humidity high in the sky.