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What does emulsify mean?

To emulsify is to form an emulsion—a mixture of two liquids that don’t fully combine.An emulsion may look like a single liquid, but it’s made up of particles of one liquid distributed throughout another liquid. For example, if you emulsify oil and water, it forms an emulsion in which small droplets of oil are suspended in the water, but the two liquids aren’t fully blended together (as they would be if you stirred together water and vinegar, for example).In technical chemistry terms, an emulsion is a colloidal suspension in which the substances mixed together are both liquids. Both colloids and suspensions involve particles of one substance distributed in another without being dissolved.Emulsions are used in a variety of contexts, including pharmacology, cooking, and photography.In cooking, liquids or liquid-like ingredients are emulsified in order to make sauces with a smooth consistency. A common example of an emulsion is the kind of salad dressings called a vinaigrette, which is made by emulsifying oil and vinegar.Example: To emulsify oil and vinegar, you have to whisk very hard to separate the oil into tiny droplets, or else the two liquids will separate.