释义 |
WordReference Random House Learner's Dictionary of American English © 2024ˈplate tecˈton•ics, n. [uncountable* used with a singular verb]- Geologya theory in geology stating that the earth's crust is divided into a number of stiff plates:Plate tectonics claims that the movement of huge plates in the earth's crust causes continental drift.
WordReference Random House Unabridged Dictionary of American English © 2024plate′ tecton′ics, [Geol.]- Geologya theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
plate′-tec•ton′ic, adj. |