magnetometer
nounUK /ˌmæɡnɪˈtɒmɪtə/
US /ˌmæɡnɪˈtɑːmɪtər/
A magnetometer is a tool that measures how strong a magnet or magnetic field is.
The scientist used a magnetometer to find the hidden metal pipe underground.
RELATED WORDS
OTHER MEANINGS
2. An instrument carried on a spacecraft to map magnetic fields around planets.
The probe's magnetometer revealed strange magnetic patterns near Jupiter.
3. A device used in archaeology to locate buried objects without digging.
Archaeologists used a magnetometer to spot ancient walls beneath the field.
4. A tool in geology for studying the magnetic properties of rocks.
The magnetometer showed that the rock had flipped its magnetic direction over time.