Colloid meaning

kŏl'oid'
A mixture in which very small particles of one substance are distributed evenly throughout another substance. The particles are generally larger than those in a solution, and smaller than those in a suspension. Paints, milk, and fog are colloids.
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Gelatinous material resulting from degeneration in diseased tissue.
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(meteorology) An intimate mixture of two substances one of which, called the dispersed phase (colloid), is uniformly distributed in a finely divided state throughout the second substance, called the dispersion medium (dispersing medium). The dispersion medium may be a gas, a liquid, or a solid, and the dispersed phase may also be any of these, with the exception that one does not speak of a colloidal system of one gas in another. A system of liquid or solid particles colloidally dispersed in a gas is called an aerosol. A system of solid substances or water-insoluble liquids colloidally dispersed in liquid water is called a hydrosol.
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The iodine-containing, gelatinous protein stored in the thyroid.
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Colloid tumours.

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The gelatinous stored secretion of the thyroid gland, consisting mainly of thyroglobulin.
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Of, relating to, containing, or having the nature of a colloid.
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The gelatinous stored secretion of the thyroid gland, consisting mainly of thyroglobulin.
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Gelatinous material resulting from degeneration in diseased tissue.
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Of, relating to, containing, or having the nature of a colloid.
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(chemistry) A stable system of two phases, one of which is dispersed in the other in the form of very small droplets or particles.
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(geology) A particle less than 1 micron in diameter, following the Wentworth scale.
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The definition of a colloid is a combination of molecules mixed through other substances that will not settle out or join with the other substance.

Mayonnaise and blood are both examples of colloids.

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Origin of colloid

  • From French colloïde, from Ancient Greek κόλλα (kolla, “glue”) + -oid.
    From Wiktionary