magnetologistn.
/ˌmaɡnᵻˈtɒlədʒɪst/, U.S. /ˌmæɡnəˈtɑlədʒəst/ An expert in or student of magnetism, esp. that of the earth; a geomagnetist.
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the world > the earth > earth sciences > geology > geophysics > [noun] > geomagnetism > geomagnetist
geomagnetician1895
geomagnetist1903
magnetologist1910
palaeomagnetist1960
1910 Geogr. Jrnl. 35 72 Baron van Toll, accompanied by Seeberg, astronomer and magnetologist of the expedition, and two men.
1938 Times 19 Feb. 13/2 E. K. Federoff, an astronomer and magnetologist.
1961 McGraw-Hill Encycl. Russ. & Soviet Union 166 Worked as magnetologist at the polar stations of Franz Josef Land (1934-35) and as geophysicist and astronomer..(1937-48).
This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1910