Definition of Crust

1. Noun. The outer layer of the Earth.

Exact synonyms: Earth's Crust
Generic synonyms: Layer
Terms within: Asthenosphere
Specialized synonyms: Horst, Crustal Plate, Plate
Group relationships: Geosphere, Lithosphere
Terms within: Sial, Sima

2. Verb. Form a crust or form into a crust. "The bread crusted in the oven"
Entails: Dry, Dry Out
Generic synonyms: Change Surface

3. Noun. A hard outer layer that covers something.
Exact synonyms: Encrustation, Incrustation
Generic synonyms: Cover, Covering, Natural Covering
Specialized synonyms: Calculus, Tartar, Tophus
Derivative terms: Crusty, Encrust, Encrust, Incrust, Incrust

4. Noun. The trait of being rude and impertinent; inclined to take liberties.
Exact synonyms: Cheekiness, Freshness, Gall, Impertinence, Impudence, Insolence
Generic synonyms: Discourtesy, Rudeness
Specialized synonyms: Chutzpa, Chutzpah, Hutzpah
Derivative terms: Cheeky, Crusty, Fresh, Impertinent, Impudent, Insolent, Insolent

Definition of Crust

1. n. The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; as, a crust of snow.

2. v. t. To cover with a crust; to cover or line with an incrustation; to incrust.

3. v. i. To gather or contract into a hard crust; to become incrusted.

Definition of Crust

1. Noun. A more solid, dense or hard layer on a surface or boundary. ¹

2. Noun. The external layer of most types of bread. ¹

3. Noun. Outer layer composed of pastry ¹

4. Noun. Bread foundation of pizza ¹

5. Noun. (geology) The outermost layer of the lithosphere of the Earth. ¹

6. Noun. Nerve, gall. ¹

7. Verb. (transitive) To cover with a crust. ¹

8. Verb. (intransitive) To form a crust. ¹

¹ Source:

Definition of Crust

1. to form a crust (a hardened outer surface) [v -ED, -ING, -S]

Medical Definition of Crust

1. 1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule. 2. A scab. Synonym: crusta. Origin: L. Crusta (05 Mar 2000)

Crust Pictures

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Lexicographical Neighbors of Crust

crusher gauge
crust (current term)
crusta inflammatoria
crusta lactea
crusta phlogistica

Literary usage of Crust

Below you will find example usage of this term as found in modern and/or classical literature:

1. Text-book of Geology by Archibald Geikie (1903)
"The crust.—It was formerly the prevalent belief that the exterior and ... Hence the term "crust" was applied to the external rind in the usual sense of that ..."

2. The Geographical Journal by Royal Geographical Society (Great Britain) (1900)
"D. crust-TORSION has already heen recognized as a mode of crust-deformation associated with the superposition of different movements upon one another, ..."

3. Science by American Association for the Advancement of Science (1884)
"A crust twenty-five miles in thickness at a maximum, and very much thinner ... If we consider this crust to be made up of units defined at the upper surface ..."

4. Annual Report by Indiana State Board of Health (1915)
"crust hard ; odor and taste of crust good. 71. Wrapped. ... crust softened very little; odor and taste of crumb good. Third Day. 31. Unwrapped. ..."

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