EARTH'S CRUST

Pronunciation (US): (GB):

Meaning:

The outer layer of the Earth

Synonyms:

crust; Earth's crust

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("Earth's crust" is a kind of...):

layer (a relatively thin sheetlike expanse or region lying over or under another)

Meronyms (parts of "Earth's crust"):

asthenosphere (the lower layer of the crust)

Meronyms (substance of "Earth's crust"):

sial (the granitelike rocks that form the outermost layer of the earth's crust; rich in silicon and aluminum)

sima (rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium)

Hyponyms (each of the following is a kind of "Earth's crust"):

horst (a ridge of the earth's crust that has been forced upward between two faults and so is higher than the surrounding land)

crustal plate; plate (a rigid layer of the Earth's crust that is believed to drift slowly)

Holonyms ("Earth's crust" is a part of...):

geosphere; lithosphere (the solid part of the earth consisting of the crust and outer mantle)