Also found in: Thesaurus, Encyclopedia, Wikipedia.


A device for detecting and recording variations in the intensity and direction of magnetic fields.

mag·ne′to·gram′ (-grăm′) n.


(mæɡˈniːtəʊˌɡrɑːf; -ˌɡræf)
(General Physics) a recording magnetometer, usually used for studying variations in the earth's magnetic field
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.magnetograph - a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)
scientific instrument - an instrument used by scientists
Mentioned in ?
References in periodicals archive ?
Such flares sometimes disrupt the Earth's magnetic field, causing a magnetic storm that can be recorded with a magnetograph.
Zhu, "The tracking and guiding method for full solar disk vector magnetograph telescope," Astronomical Research & Technology, vol.
Strictly speaking, for a spot to be considered a new or old cycle spot, it should have the appropriate magnetic configuration of leading and following spots, which can be determined from magnetograph observations.)
London, July 3 ( ANI ): A Spanish instrument known as IMaX magnetograph has observed the sun for the formation and evolution of a magnetic flux tubes on its surface.