lithosphere
(lith-o-sphere)
3 syllables
Definition
noun. the rigid outer part of the earth, consisting of the crust and upper mantle, which is divided into tectonic plates.
Example Sentence
Did you know that the outer crust of the earth is called the lithosphere?
More Example Sentences
Scientists study the lithosphere to learn about the Earth's structure and tectonic activity.
Synonyms
earth's crust; crust; tectonic plates
Antonyms
earth's core
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lithosphere
