isopor
Noun
Meaning
isopor (plural isopors)
(geomagnetism) A line on a map that joins places of equal annual change in a geomagnetic property; an isoporic line.
Noun
isopor (plural isopors)
(geomagnetism) A line on a map that joins places of equal annual change in a geomagnetic property; an isoporic line.