: a flocculent mass

Examples of floc in a Sentence

Recent Examples on the Web Orange bacterial floc and white flecks of sediment whirled around the sub like a blizzard. Susan Casey, Smithsonian Magazine, 9 Aug. 2023 In a new set of experiments, Ratcliff’s team is pitting snowflake yeast against floc yeast in a head-to-head battle. Quanta Magazine, 3 Nov. 2015

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'floc.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


short for floccule

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of floc was in 1921

Dictionary Entries Near floc

Cite this Entry

“Floc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floc. Accessed 16 Apr. 2024.

Medical Definition


1 of 2 noun
: a flocculent mass formed by the aggregation of a number of fine suspended particles


2 of 2 verb
flocced ˈfläkt How to pronounce floc (audio) ; floccing ˈfläk-iŋ How to pronounce floc (audio)

intransitive verb

: to aggregate into flocs

transitive verb

: to cause to floc

More from Merriam-Webster on floc

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