What does "lithosphere" mean?

The rigid, mechanically strong, outer layer of the Earth, which is divided into twelve major tectonic plates.

What is a synonym for "lithosphere"?

Common synonyms include: acres, alluvium, clay, clod, country, crust.

noun

noun ·Rare ·Advanced level

Noun

1
The rigid, mechanically strong, outer layer of the Earth, which is divided into twelve major tectonic plates.
"Holonyms: Earth, earth"
2
the solid part of the earth consisting of the crust and outer mantle wordnet
3
Any similar layer of an exoplanet.
"Holonym: planet"

"Tectonic plates are pieces of the lithosphere."

From litho- + -sphere.