Of, pertaining to, or consisting of a colloid(adjective)
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Use "colloidal" in a sentence
"I think I'm going to continue doing exactly what I'm doing: drinking and cooling with bottled water, bathing and washing in colloidal silver-purified tap water (our house is only 8 years old) and investigating alternatives. lbc"
"One example: New promotions on the Web assert that swine flu - and many other ailments - can be eradicated by using so-called colloidal silver, a mixture that includes very fine silver particles."
"A FilterPure filter is a round ceramic pot made of clay, a combustible material like saw dust or rice husks and a naturally occurring antibacterial called colloidal silver."