Main Entry: geo·phys·ics

Pronunciation: \ˌjē-ə-ˈfi-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-kəl\ adjective

— geo·phys·i·cal·ly \-zi-k(ə-)lē\ adverb

— geo·phys·i·cist \-ˈfi-zə-sist\ noun