n.
Pronunciation: ˌ j ē - ə - ' fi-ziks
Function: noun plural but singular or plural in construction
Etymology: International Scientific Vocabulary
Date: circa 1889
: a branch of earth science dealing with the physical processes and phenomena occurring especially in the earth and in its vicinity
– geo · phys · i · cal \ -zi-k ə l \ adjective
– geo · phys · i · cal · ly \ -zi-k( ə -)l ē \ adverb
– geo · phys · i · cist \ - ' fi-z ə -sist \ noun