| http://www.w3.org/ns/prov#value | - A colloid is a substance dispersed in particle size large enough to prevent or delay passage through a semipermeable membrane, but small enough to remain in suspension in a liquid or gas.[xxii][22] Colloids consist of very tiny particles that are usually between 1 nanometer and 1000 nanometers in diameter and that are suspended in a continuous medium, such as a liquid, a solid, or a gaseous subs
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