nf. oceanography, scientific study of the geography and physical phenomena of oceans and seas

nf. oceanography, scientific study of the geography and physical phenomena of oceans and seas

n. oceanography, scientific study of the geography and physical phenomena of oceans and seas

(n.) = oceanography.
Ex: Topics covered include geology, satellite imagery, nuclear energy, solar energy, geothermal enery, wind, seismicity, oil and gas resources, and oceanography.