crustthe outermost solid layer of the Earth, divided into continental and oceanic typesThe oceanic crust is thinner but denser than the continental crust beneath the landmasses.NoteThe oceanic crust is thinner but denser than the continental crust beneath the landmasses.Elon.io is an online learning platformWe have an entire course teaching TOEFL Academic Vocabulary grammar and vocabulary.Start learning TOEFL Academic Vocabulary now