Thalassography refers to the scientific study of the oceans, including their physical and biological properties. There are several synonyms for the term that can be used interchangeably. One of the most common is oceanography, which refers to the study of the oceans and their phenomena. Another synonym is marine biology, which is the study of marine organisms and their interactions with the environment. Marine geology is another synonym that encompasses the study of oceanic phenomena such as seafloor spreading and plate tectonics. Finally, oceanology is a synonym that refers broadly to the study of the oceans and all its aspects.