mag·ne·tom·e·ter
ˌmag-nə-ˈtä-mə-tər 
: an instrument used to detect the presence of a metallic object or to measure the intensity of a magnetic field
mag·ne·tom·e·try
ˌmagnəˈtämətrē
ˌmaig-,
-ri
plural -es
: a science of measuring the intensity of magnetic fields and of determining the direction of lines of force
also
: use of the magnetometer
Examples of magnetometer in a Sentence
Recent Examples on the Web
Atharva Gosavi, Interesting Engineering, 25 May 2026
Psyche’s magnetometer may have detected a signature of the solar wind interacting with Mars’ upper atmosphere or its remnant magnetic field, and its spectrometers were tuned to measure the chemical composition of the Martian surface underneath the spacecraft’s flight path.
—Stephen Clark, ArsTechnica, 20 May 2026
The area was fenced and visitors had to go through magnetometers to enter, but the mood in the morning was relaxed and festive.
—Susan Page, USA Today, 17 May 2026
In addition to the two deputies stationed inside the board room during meetings, the sheriff’s office also scans bags and uses a magnetometer for visitors.
—A.d. Quig, Chicago Tribune, 4 May 2026
See All Example Sentences for magnetometer
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Noun
Satellites helped scientists peer deep inside Earth Launched in 2013, the Swarm satellite constellation carries highly sensitive magnetometers designed to map Earth’s magnetic field with exceptional precision.
—Atharva Gosavi, Interesting Engineering, 25 May 2026
Psyche’s magnetometer may have detected a signature of the solar wind interacting with Mars’ upper atmosphere or its remnant magnetic field, and its spectrometers were tuned to measure the chemical composition of the Martian surface underneath the spacecraft’s flight path.
—Stephen Clark, ArsTechnica, 20 May 2026
The area was fenced and visitors had to go through magnetometers to enter, but the mood in the morning was relaxed and festive.
—Susan Page, USA Today, 17 May 2026
In addition to the two deputies stationed inside the board room during meetings, the sheriff’s office also scans bags and uses a magnetometer for visitors.
—A.d. Quig, Chicago Tribune, 4 May 2026
See All Example Sentences for magnetometer
Cite this Entry
“Magnetometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetometer. Accessed 10 Jun. 2026.
Copy CitationKids Definition
magnetometer
noun
mag·ne·tom·e·ter
ˌmag-nə-ˈtäm-ət-ər
: an instrument used to detect the presence of a metallic object or to measure the strength of a magnetic field
Medical Definition
magnetometer
noun
mag·ne·tom·e·ter
ˌmag-nə-ˈtäm-ət-ər
: an instrument used to detect the presence of a metallic object or to measure the intensity of a magnetic field
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