Dictionary

pneumatophore

noun pneu·mat·o·phore \n-ˈma-tə-ˌfr, ny-\

Definition of PNEUMATOPHORE

1
:  a muscular gas-containing sac that serves as a float on a siphonophore colony
2
:  a usually partially exposed root of a wetland plant (as a mangrove) that functions especially in the intake of oxygen from the atmosphere

Origin of PNEUMATOPHORE

International Scientific Vocabulary
First Known Use: 1859

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