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heterocyst

[ het-er-uh-sist ]
/ ˈhɛt ər əˌsɪst /
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noun Bacteriology.
one of the enlarged nitrogen-fixing cells occurring along the filaments in some cyanobacteria.
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Also called het·er·o·cyte [het-er-uh-sahyt] /ˈhɛt ər əˌsaɪt/ .

Origin of heterocyst

First recorded in 1870–75; hetero- + cyst
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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