colloidal

American  

[kuh-loid-l] / kəˈlɔɪd l /

adjective

Physical Chemistry.

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

   colloidal gold and silver.

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colloidal British  

/ ˌkɒˈlɔɪdəl /

adjective

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

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Other Word Forms

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

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Etymology

Origin of colloidal

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

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Example Sentences

See Examples For:

colloidal

The researchers introduced light sensitive molecules known as photoacids into a liquid containing colloidal particles.

From Science Daily ● Mar. 2, 2026

"We show that these can be used for calculations and at the same time present a method that suppresses the influence of disruptive effects, such as noise, in the movement of the colloidal particles."

From Science Daily ● Jan. 29, 2024

Secondly, flexible DNA provides additional degrees of freedom in the assembly of non-space-filling polyhedral nanoparticles, leading to the creation of complex crystals with symmetries not previously achievable with colloidal crystal engineering with DNA.

From Science Daily ● Jan. 18, 2024

That’s because she was ingesting large amounts of colloidal silver, which are small particles of the metal silver in a liquid solution.

From Salon ● Jan. 7, 2024

Substances in a colloidal state have a great tendency to form these chemical or physical membranes at the point of contact between the colloidal solute and the solvent.

From The Mechanism of Life by Stéphane Leduc

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