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Definition of microcystin

microcystin

/ˌmaɪ.kroʊˈsɪs.tɪn/
mi · cro · cys · tin
Plural:microcystins
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microcystin Lexical Profile

microcystin Game Scores & Validity

• noun

1

Any of a class of toxic cyclic peptide compounds produced by certain freshwater cyanobacteria (blue-green algae), known to cause severe liver damage upon ingestion.

Example

"Local authorities urged residents to avoid drinking from the lake after an extensive algal bloom caused elevated levels of microcystin in the water supply."

Synonyms
View all synonyms for microcystin

• Rhymes for microcystin

• Nearby Words

microcontroller
microcosm
microcredit
microcystin
microdose
microdosing
microeconomic

Word Origin & Etymology

Derived from the cyanobacteria genus name 'Microcystis' (from Greek 'mikros' meaning small and 'kustis' meaning bladder or pouch) combined with the chemical suffix '-in'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Microcystin. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/microcystin
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