isopor

[ ahy-suh-pawr ]

/ ˈaɪ səˌpɔr /

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noun

an imaginary line on the earth's surface connecting points of equal annual change in the declination, inclination, or other components of the earth's magnetic field.

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Also called isoporic line .

Origin of isopor

1930–35; iso- + -por<Greek póros path, pore²

OTHER WORDS FROM isopor

i·so·por·ic, adjective

Words nearby isopor

isopiestic, isoplastic graft, isopleth, isopod, isopolity, isopor, isoprene, isoprenoid, isopropanol, isopropyl, isopropyl alcohol