Dictionary.com
Thesaurus.com

aeromagnetics

American  
[air-oh-mag-net-iks] / ˌɛər oʊ mægˈnɛt ɪks /

noun

(used with a singular verb)
  1. the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.


aeromagnetics Scientific  
/ âr′ō-măg-nĕtĭks /
  1. The scientific study of the Earth's magnetic characteristics as measured from the air.


Etymology

Origin of aeromagnetics

First recorded in 1945–50; aero- ( def. ) + magnetics ( def. )