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heterocyst

American  
[het-er-uh-sist] / ˈhɛt ər əˌsɪst /

noun

Bacteriology.

  1. one of the enlarged nitrogen-fixing cells occurring along the filaments in some cyanobacteria.

Etymology

Origin of heterocyst

First recorded in 1870–75; hetero- + cyst

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

All × 300. y, heterocyst. sp. spore.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.