The Collaborative International Dictionary of English v.0.48:
Oceanology \O`cean*ol"o*gy\, n. [Ocean + -logy.] That branch of science which relates to the ocean. [1913 Webster]WordNet (r) 3.0 (2006):
oceanology n 1: the branch of science dealing with physical and biological aspects of the oceans [syn: oceanography, oceanology]