Plural of colloid; multiple substances composed of particles suspended uniformly in another medium.
Plural form of colloid (from Greek 'kolla' + '-oid'). Standard plural form used in chemistry since the mid-1800s.
The most fascinating part of colloids is that they're everywhere—literally everywhere. Your coffee, your skin, your food, clouds, ink—most of the universe's visible matter behaves as colloids in some way.
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