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sprue

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Sprue
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sprue

1  [sproo] ,noun, verb, sprued, spru⋅ing.
Use sprue in a Sentence
–noun
1. Metallurgy.
a. an opening through which molten metal is poured into a mold.
b. the waste metal left in this opening after casting.
2. Metalworking. a channel in a forging die permitting the die to clear that part of the rough piece not being forged.
–verb (used with object)
3. to cut the sprues from (a casting).
Origin:
1820–30; orig. uncert.
Sprue
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sprue

2  [sproo] ,
–noun Pathology.
a chronic disease, occurring chiefly in the tropics, resulting from malabsorption of nutrients from the small intestine and characterized by diarrhea, ulceration of the mucous membrane of the digestive tract, and a smooth, shining tongue; psilosis.
Origin:
1815–25; < D spruw; c. MLG sprūwe tumor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sprue 1   (sprōō)   
n.  A chronic, chiefly tropical disease characterized by diarrhea, emaciation, and anemia, caused by defective absorption of nutrients from the intestinal tract.

[Dutch spruw, from Middle Dutch sprouwe.]
sprue 2   (sprōō)   
n.  

  1. The hole through which molten material is chanelled into a mold.

  2. The waste material filling or protruding from this hole after hardening.

  3. The usually plastic rod or framework that secures molded objects, such as model parts or game pieces, before their first use.


[Perhaps of Scots origin.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: sprue
Pronunciation: 'sprü
Function: noun
1 : CELIACDISEASE
2 : a disease of tropical regions that is of unknown cause and is characterized by fatty diarrhea and malabsorption of nutrients called also tropicalsprue
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

sprue (spr&oomacr;)
n.

  1. A chronic disease that is characterized by diarrhea, steatorrhea, emaciation, and anemia, caused by defective absorption of nutrients from the intestinal tract.

  2. Wax or metal used to form the pathway for forcing molten metal into a mold in the making of a dental casting.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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