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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

    Nov 25, 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. 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 …

  6. 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 …

  7. COLLOID Definition & Meaning - Merriam-Webster

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

  8. 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 …

  9. Colloids | CHEM101 ONLINE: General Chemistry - Lumen Learning

    A colloid is a heterogeneous mixture whose particle size is intermediate between those of a solution and a suspension. The dispersed particles are spread evenly throughout the dispersion medium, which …

  10. Colloid Mixture | Definition, Characteristics & Examples - Study.com

    A colloid is mixture where at least two types of substances are placed together. The substances, also called particles do not change; each substance retains its own properties.