Colloid vs. Emulsion

Colloidadjective

Glue-like; gelatinous.

‘colloid tumours’;

Emulsionnoun

A stable suspension of small droplets of one liquid in another with which it is immiscible.

‘Mayonnaise is an emulsion where egg is used to keep oil and water mixed.’;

Colloidnoun

(chemistry) A stable system of two phases, one of which is dispersed in the other in the form of very small droplets or particles.

Emulsionnoun

(chemistry) A colloid in which both phases are liquid.

Colloidnoun

(meteorology) An intimate mixture of two substances one of which, called the dispersed phase (or colloid), is uniformly distributed in a finely divided state throughout the second substance, called the dispersion medium (or dispersing medium).

Emulsionnoun

(photography) The coating of photosensitive silver halide grains in a thin gelatine layer on a photographic film.

Colloidnoun

(geology) A particle less than 1 micron in diameter, following the Wentworth scale

Emulsionnoun

Any liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous substance. (b) In photography, a liquid preparation of collodion holding salt of silver, used in the photographic process.

Colloidadjective

Resembling glue or jelly; characterized by a jellylike appearance; gelatinous; as, colloid tumors.

Emulsionnoun

(chemistry) a colloid in which both phases are liquids;

‘an oil-in-water emulsion’;

Colloidnoun

A substance (as albumin, gum, gelatin, etc.) which is of a gelatinous rather than a crystalline nature, and which diffuses itself through animal membranes or vegetable parchment more slowly than crystalloids do; - opposed to crystalloid.

Emulsionnoun

a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin

Colloidnoun

A gelatinous substance found in colloid degeneration and colloid cancer.

Emulsionnoun

a fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible

‘oil beaten to an emulsion with a half tablespoonful of vinegar’;

Colloidnoun

a mixture with properties between those of a solution and fine suspension

Emulsionnoun

a fine dispersion of one liquid or pureed food substance in another

‘ravioli with pea and ginger emulsion’;

Colloid

A colloid is a mixture in which one substance of microscopically dispersed insoluble particles are suspended throughout another substance. However, some definitions specify that the particles must be dispersed in a liquid, and others extend the definition to include substances like aerosols and gels.

Emulsionnoun

a type of paint used for walls, consisting of pigment bound in a synthetic resin which forms an emulsion with water

‘three coats of white emulsion’;

Emulsionnoun

a light-sensitive coating for photographic films and plates, containing crystals of a silver compound dispersed in a medium such as gelatin.

Emulsionverb

paint with emulsion

‘if the lining paper is not opaque, the wall should also be emulsioned’;

Emulsion

An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids.