Standard Lemma guide

floc

noun · verb · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /flɒk/
  • homophone: flock
  • CMU ARPABET: F L AA1 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A floccule; a soft or fluffy particle suspended in a liquid, or the fluffy mass of suspended particles so formed.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A flocculant, as used in swimming pools to make particles clump together so they are trapped by the filter.

Definition source: English Wiktionary via Wiktextract

Usage: countable, informal, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To use a flocculant in (a swimming pool).

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: floccule

Antonyms: none provided

Broader terms: material, stuff

History

Etymology

From Latin floccus (“tuft of wool”), or from French floc (“floc”), from the same Latin source.