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2017 Word of the Year

hydrocolloid

[hahy-druh-kol-oid] /ˌhaɪ drəˈkɒl ɔɪd/
noun
1.
a substance that forms a colloid when combined with water.
Origin of hydrocolloid
1925-1930
First recorded in 1925-30; hydro-1 + colloid
Related forms
hydrocolloidal
[hahy-droh-kuh-loid-l] /ˌhaɪ droʊ kəˈlɔɪd l/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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hydrocolloid in Medicine

hydrocolloid hy·dro·col·loid (hī'drə-kŏl'oid')
n.

  1. A substance that forms a gel with water.

  2. Such a substance used to take dental impressions, especially one derived from marine kelp.

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