oceanography
n. C1 Advanced US //ˌoʊʃəˈnɑɡɹəfi// UK //ˌəʊʃənˈɒɡɹəfi// oceanog·ra·phy
n. the scientific study of the ocean, including its physical, chemical, and biological properties.
n. the scientific study of the physical and biological aspects of the ocean and its resources.
She decided to study oceanography to understand marine life.
Advances in oceanography have allowed scientists to map the deep sea floor with incredible precision.
Modern oceanography integrates data from satellite imagery and deep-sea submersibles to monitor how rising temperatures affect global currents and marine ecosystems.
From ocean + -ography.