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crust

 - 6 dictionary results

crust

  [kruhst]
Use crust in a Sentence
–noun
1. the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb ).
2. a slice of bread from the end of a loaf, consisting chiefly of this.
3. the pastry covering the outside of a pie or other dish.
4. a piece of stale bread.
5. any more or less hard external covering or coating: a crust of snow.
6. Geology. the outer layer of the earth, about 22 mi. (35 km) deep under the continents and 6 mi. (10 km) deep under the oceans. Compare mantle (def. 3), core 1 (def. 10).
7. a scab or eschar.
8. Slang. unabashed self-assertiveness; nerve; gall: He had a lot of crust going to the party without an invitation.
9. deposit from wine, as it ripens during aging, on the interior of bottles, consisting of tartar and coloring matter.
10. the hard outer shell or covering of an animal.
11. Australian Slang. a living or livelihood: What do you do for a crust?
–verb (used with object)
12. to cover with or as with a crust; encrust.
13. to form (something) into a crust.
–verb (used without object)
14. to form or contract a crust.
15. to form into a crust.
Origin:
1275–1325; ME < AF, OF cruste, croste < L crusta hard coating, crust

Related forms:
crustless, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To crust
crust   (krŭst)   
n.  

    1. The hard outer portion or surface area of bread.

    2. A piece of bread consisting mostly of the hard outer portion.

    3. A piece of bread that has become hard and dry.

    4. The exterior portion of the earth that lies above the Mohorovičić discontinuity.

    5. The outermost solid layer of a planet or moon.

  2. A pastry shell, as of a pie or tart.

  3. A hard crisp covering or surface: snow with a firm crust.

  4. A hard deposit formed on the interior of a wine bottle as the wine matures.

  5. Geology

    1. The exterior portion of the earth that lies above the Mohorovičić discontinuity.

    2. The outermost solid layer of a planet or moon.

  6. The hard outer covering or integument of certain plants and animals, such as lichens and crustaceans.

  7. Pathology An outer layer or coating formed by the drying of a bodily exudate such as pus or blood; a scab.

  8. Informal Insolence; audacity; gall.

v.   crust·ed, crust·ing, crusts

v.   tr.

  1. To cover with a crust.

  2. To form into a crust.

v.   intr.

  1. To become covered with a crust.

  2. To harden into a crust.


[Middle English cruste, from Old French crouste, from Latin crūsta; see kreus- in Indo-European roots.]
crust'less adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: crust
Pronunciation: 'kr&st
Function: noun
1 : SCAB 2
2 : an encrusting deposit of serum, cellular debris, and bacteria present over or about lesions in some skin diseases (as impetigo or eczema) —crust verb
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

crust (krŭst)
n.

  1. A hard, crisp covering or surface.

  2. An outer layer or coating formed by the drying of a bodily exudate such as pus or blood; a scab.

v. crust·ed, crust·ing, crusts
To cover with, become covered with, or harden into a crust.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
crust   (krŭst)  Pronunciation Key 
The solid, outermost layer of the Earth, lying above the mantle. ◇ The crust that includes continents is called continental crust and is about 35.4 to 70 km (22 to 43.4 mi) thick. It consists mostly of rocks, such as granites and granodiorites, that are rich in silica and aluminum, with minor amounts of iron, magnesium, calcium, sodium, and potassium. ◇ The crust that includes ocean floors is called oceanic crust and is about 4.8 to 9.7 km (3 to 6 mi) thick. It has a similar composition to that of continental crust, but has higher concentrations of iron, magnesium, and calcium and is denser than continental crust. The predominant type of rock in oceanic crust is basalt.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Idioms & Phrases

crust

see upper crust.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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