geomagnetic
adjective /ˌdʒiːəʊmæɡˈnetɪk/
/ˌdʒiːəʊmæɡˈnetɪk/
(geology)- connected with or showing the magnetic characteristics of the earth
- The geomagnetic field is what protects us from the bulk of the sun's harmful radiation.
Oxford Collocations DictionaryGeomagnetic is used with these nouns:- pole