magnetometer

noun

mag·​ne·​tom·​e·​ter ˌmag-nə-ˈtä-mə-tər How to pronounce magnetometer (audio)
: an instrument used to detect the presence of a metallic object or to measure the intensity of a magnetic field
magnetometric adjective
magnetometry noun

Examples of magnetometer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Its diamond quantum magnetometer is a significant leap beyond conventional magnetic field-measuring infrastructure. Ameya Paleja, Interesting Engineering, 27 Mar. 2026 And magnetometers detect underground metallic components. Sagar Lekhak, The Conversation, 5 Mar. 2026 The geomagnetic signatures are sensed via magnetometers that utilize the Hall Effect (that detects voltage changes when current carrying semiconductors are exposed to a magnetic field). Sabbir Rangwala, Forbes.com, 23 Jan. 2026 Our agents utilize a multi-layered process to identify, search, and stop weapons from entering schools through magnetometers, x-ray baggage machines, and scanners. Doug Williams, CBS News, 15 Jan. 2026 See All Example Sentences for magnetometer

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of magnetometer was in 1827

Cite this Entry

“Magnetometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetometer. Accessed 3 Apr. 2026.

Kids Definition

magnetometer

noun
mag·​ne·​tom·​e·​ter ˌmag-nə-ˈtäm-ət-ər How to pronounce magnetometer (audio)
: 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 How to pronounce magnetometer (audio)
: an instrument used to detect the presence of a metallic object or to measure the intensity of a magnetic field
magnetometric adjective
magnetometry noun
plural magnetometries

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