Main Entry: ocean·og·ra·phy

Pronunciation: \ˌō-shə-ˈnä-grə-fē\

Function: noun

Etymology: International Scientific Vocabulary

Date: 1859

: a science that deals with the oceans and includes the delimitation of their extent and depth, the physics and chemistry of their waters, marine biology, and the exploitation of their resources

— ocean·og·ra·pher \-fər\ noun

— ocean·o·graph·ic \-nə-ˈgra-fik\ also ocean·o·graph·i·cal \-fi-kəl\ adjective

— ocean·o·graph·i·cal·ly \-fi-k(ə-)lē\ adverb