endosymbiosis

noun
en·do·sym·bi·o·sis | \ˌen-dō-ˌsim-bī-ˈō-səs, -bē-\

Definition of endosymbiosis 

: symbiosis in which a symbiont dwells within the body of its symbiotic partner

Other Words from endosymbiosis

endosymbiont \ˌen-dō-ˈsim-bī-ˌänt, -bē- \ noun
endosymbiotic \ˌen-dō-ˌsim-bī-ˈä-tik, -bē- \ adjective

First Known Use of endosymbiosis

1932, in the meaning defined above

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The first known use of endosymbiosis was in 1932

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endosymbiosis

noun
en·do·sym·bi·o·sis | \ˌen-dō-ˌsim-bī-ˈō-səs, -bē- \
plural endosymbioses\-ˌsēz \

Medical Definition of endosymbiosis 

: symbiosis in which a symbiotic organism lives within the body of its partner

Other Words from endosymbiosis

endosymbiotic \-ˈät-ik \ adjective

More from Merriam-Webster on endosymbiosis

Britannica.com: Encyclopedia article about endosymbiosis

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