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 …

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 …

A colloid is also a heterogeneous mixture, but the particles of a colloid are typically smaller than those of a suspension, generally in the range of 2 to about 500 nm in diameter. Colloids …

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 …

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

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 …

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

Dec 1, 2025 · 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 …

The term “colloid”—from the Greek words kolla, meaning “glue,” and eidos, meaning “like”—was first used in 1861 by Thomas Graham to classify mixtures such as starch in water and gelatin.

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 …