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  1. Colloid - Wikipedia

    A colloid is a mixture in which one substance, consisting of microscopically dispersed insoluble particles, is suspended throughout another substance. Some definitions specify that the particles must be …

  2. Colloids: Definition, Characteristics, Types, and Examples

    What are colloids. Learn its properties, types, and applications. Check out a few examples of colloid fluids.

  3. What Is a Colloid? Definition and Examples

    Sep 27, 2022 · In chemistry, a colloid is a mixture of tiny particles that are dispersed in another medium. The particles are microscopic in size, ranging from 1 nanometer (nm) to 1 micrometer (μm) in diameter.

  4. Colloid | Definition & Facts | Britannica

    Dec 29, 2025 · Colloid, any substance consisting of particles substantially larger than atoms or ordinary molecules but too small to be visible to the unaided eye. Colloidal systems may exist as dispersions …

  5. What Are Colloids? - ChemTalk

    A colloid, or a colloidal solution, is a mixture consisting of molecules or particles dispersed in solution. Unlike the other two primary types of mixture, solutions and suspensions, colloids contain particles …

  6. Colloids - Chemistry LibreTexts

    A colloid is one of the three primary types of mixtures, with the other two being a solution and suspension. A colloid is a mixture that has particles ranging between 1 and 1000 nanometers in …

  7. Colloids - Types, Properties, Examples, Difference and Definition | CK ...

    Jan 1, 2026 · A colloid is a heterogeneous mixture of particles that are intermediate in size between those of a solution and a suspension. The Tyndall effect is the scattering of light by colloidal particles.

  8. Colloids – Chemistry - UH Pressbooks

    The particles of a colloid remain dispersed and do not settle due to gravity, and they are often electrically charged. Colloids are widespread in nature and are involved in many technological applications.

  9. COLLOID Definition & Meaning - Merriam-Webster

    : a mixture (as smoke) consisting of a colloid together with the medium in which it is dispersed

  10. COLLOID Definition & Meaning | Dictionary.com

    COLLOID definition: a substance made up of a system of particles with linear dimensions in the range of about 10 −7 to 5 × 10 −5 centimeters dispersed in a continuous gaseous, liquid, or solid medium …