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colloidal

[kuh-loid-l] /kəˈlɔɪd l/
adjective, Physical Chemistry
1.
pertaining to or of the nature of a colloid:
colloidal gold and silver.
Origin
1860-1865
1860-65; colloid + -al1
Related forms
colloidality
[kol-oi-dal-i-tee] /ˌkɒl ɔɪˈdæl ɪ ti/ (Show IPA),
noun
colloidally, adverb
noncolloidal, adjective
semicolloidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for semi colloidal

colloidal

adj.

1861, from colloid + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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