The quality or state of being colloidal; the degree to which a substance exhibits colloidal properties.
From colloidal + -ity (suffix forming abstract nouns). A technical term that emerged in 20th-century chemistry to discuss the measurable characteristics of colloid behavior.
Colloidality is one of those terms that sounds incredibly complex but really just means 'how much does this substance act like a colloid?' Scientists love creating nouns from adjectives to measure things precisely.
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