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  1. Colloid - Wikipedia

    The term colloidal refers to a state of subdivision, implying that the molecules or polymolecular particles dispersed in a medium have at least in one direction a dimension roughly between 1 …

  2. 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 …

  3. COLLOIDAL Definition & Meaning - Merriam-Webster

    The meaning of COLLOIDAL is of, relating to, or having the properties of a colloid. How to use colloidal in a sentence.

  4. What Is Colloidal? Definition, Characteristics, and Examples

    Sep 1, 2025 · Colloids are a class of mixtures common in nature and daily life. They are characterized by particles larger than individual molecules but too small to be seen without …

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

    These particles can be solid, liquid, or gas. In contrast to true solutions where the solute particles are completely dissolved, colloidal particles stay mixed in the liquid and do not settle at the …

  6. 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 …

  7. 11.6: Colloids - Chemistry LibreTexts

    Many colloidal particles are aggregates of hundreds or thousands of molecules, but others (such as proteins and polymer molecules) consist of a single extremely large molecule.

  8. Colloidal - definition of colloidal by The Free Dictionary

    Define colloidal. colloidal synonyms, colloidal pronunciation, colloidal translation, English dictionary definition of colloidal. n. 1. Chemistry a. A system in which finely divided particles, …

  9. 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 …

  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 …