\ ˈfläk How to pronounce floc (audio) \

Definition of floc

: a flocculent mass

Examples of floc in a Sentence

Recent Examples on the Web

Preliminary results show that over and over again, snowflakes drive flocs to extinction. Quanta Magazine, "Life’s Secrets Sought in a Snowflake," 3 Nov. 2015 In a new set of experiments, Ratcliff’s team is pitting snowflake yeast against floc yeast in a head-to-head battle. Quanta Magazine, "Life’s Secrets Sought in a Snowflake," 3 Nov. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'floc.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of floc

1921, in the meaning defined above

History and Etymology for floc

short for floccule

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Time Traveler for floc

The first known use of floc was in 1921

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More Definitions for floc


\ ˈfläk How to pronounce floc (audio) \

Medical Definition of floc

 (Entry 1 of 2)

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


flocced\ ˈfläkt How to pronounce flocced (audio) \; floccing\ ˈfläk-​iŋ How to pronounce floccing (audio) \

Medical Definition of floc (Entry 2 of 2)

intransitive verb

: to aggregate into flocs

transitive verb

: to cause to floc

More from Merriam-Webster on floc

Rhyming Dictionary: Words that rhyme with floc

Britannica.com: Encyclopedia article about floc

Comments on floc

What made you want to look up floc? Please tell us where you read or heard it (including the quote, if possible).


readily or continually undergoing change

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