"floc." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/floc>.
floc. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/floc
(countable and uncountable, plural flocs)
An alternative word for floccule. A soft or fluffy particle suspended in a liquid or the fluffy mass of suspended particles so formed. Floc may be mineral as for clay, chemical as in water treatment or biological as in sewage treatment.
English Wiktionary. Available under CC-BY-SA license.