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Word of the Day Tuesday, June 9, 2026

endosymbiotic

/ɛndoʊsɪmˈbaɪətɪk/ adjective · British & US
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What does endosymbiotic mean?

adjective

Relating to or resulting from the symbiotic relationship between organisms, especially the endosymbiotic theory that mitochondria and chloroplasts evolved from bacteria.

Example

"The endosymbiotic relationship between the coral and the algae that live inside it is crucial for the coral's survival."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for endosymbiotic

Antonyms of endosymbiotic

Rhymes with endosymbiotic