Origin: Greek suffix -ography
Oceanography has 2 different meanings across 1 category:
the branch of science dealing with physical and biological aspects of the oceans
"Dr. Lin spent her career studying oceanography to better understand how rising temperatures affect marine ecosystems."
The exploration and scientific study of the oceans and ocean floor.
"Dr. Lin spent her entire career dedicated to oceanography, mapping every ridge and trench on the deep sea floor."