aeromagnetic

aer·o·mag·net·ics

A0113900 (âr′ō-măg-nĕt′ĭks)n. (used with a sing. verb) The science of the earth's magnetic characteristics as measured from the air.
aer′o·mag·net′ic adj.aer′o·mag·net′i·cal·ly adv.

aeromagnetic

(ˌɛərəʊmæɡˈnɛtɪk) adjof magnetism in the atmosphere

aer•o•mag•net•ic

(ˌɛər oʊ mægˈnɛt ɪk)

adj. of, pertaining to, or based on an aerial survey of the earth's magnetic field. [1945–50]