[ hahy-druh-kol-oid ]
/ ˌhaɪ drəˈkɒl ɔɪd /


a substance that forms a colloid when combined with water.

Nearby words

  1. hydrocholeresis,
  2. hydrocinnamic acid,
  3. hydrocinnamic aldehyde,
  4. hydrocirsocele,
  5. hydrocodone,
  6. hydrocolpocele,
  7. hydrocooling,
  8. hydrocoral,
  9. hydrocortisone,
  10. hydrocrack

Origin of hydrocolloid

First recorded in 1925–30; hydro-1 + colloid

Related formshy·dro·col·loi·dal [hahy-droh-kuh-loid-l] /ˌhaɪ droʊ kəˈlɔɪd l/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for hydrocolloid


[ hī′drə-kŏloid′ ]


A substance that forms a gel with water.
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.