Dictionary.com
Thesaurus.com

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

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.

See Examples For:

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

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 research demonstrates the ability to engineer large, space-filling colloidal crystals using simple geometric considerations.

From Science Daily Jan. 18, 2024

"There’s really no evidence at all that taking colloidal silver has any health benefits."

From Salon Jan. 7, 2024

Let us suppose that this mixture contained sugar and gum; the crystalloidal sugar soon passed through the parchment paper, and was found in the water outside, but the colloidal gum remained in the dialyser.

From Heroes of Science Chemists by Muir, M. M. Pattison (Matthew Moncrieff Pattison)

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training