protective colloid

noun

Medical Definition of protective colloid

: a lyophilic colloid (as gelatin, a natural gum, or a cellulose derivative) that when present in small quantities keeps lyophobic colloids from precipitating under the coagulating action of electrolytes

Learn More about protective colloid

Cite this Entry

“Protective colloid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/protective%20colloid. Accessed 27 Nov. 2020.

Comments on protective colloid

What made you want to look up protective colloid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!