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colloidal

American  
[kuh-loid-l] / kəˈlɔɪd l /

adjective

Physical Chemistry.
  1. pertaining to or of the nature of a colloid.

    colloidal gold and silver.


colloidal British  
/ ˌkɒˈlɔɪdəl, ˌkɒlɔɪˈdælɪtɪ /

adjective

  1. of, denoting, or having the character of a colloid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • colloidality noun
  • colloidally adverb
  • noncolloidal adjective
  • semicolloidal adjective

Etymology

Origin of colloidal

First recorded in 1860–65; colloid + -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They can determine where crystallization occurs, reshape and "sculpt" the structures, and enhance their uniformity and size to create larger and more intricate colloidal assemblies.

From Science Daily • Mar. 2, 2026

Such colloidal particles -- small solid particles suspended in a fluid phase -- can be seen as an excellent way to measure and also manipulate the motion of the living cells' membrane.

From Science Daily • Mar. 6, 2024

The researchers' device represents the first hydrovoltaic application of a technique called nanosphere colloidal lithography, which allowed them to create a hexagonal network of precisely spaced silicon nanopillars.

From Science Daily • Mar. 6, 2024

The Love Has Won cult attracted more New Age types, while on the far-right so-called “preppers” and “survivalists” have colloidal silver in their survival kits.

From Salon • Jan. 7, 2024

Dial�ysis, the process by means of which a crystalline substance may be separated from a colloidal body.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various