pneumatophore

noun

pneu·​mat·​o·​phore nu̇-ˈma-tə-ˌfȯr 

nyu̇-

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 (such as a mangrove) that functions especially in the intake of oxygen from the atmosphere

Examples of pneumatophore in a Sentence

Recent Examples on the Web

The arrangement of these pneumatophores can help scientists tell pterosaur species apart. — Michael Greshko, National Geographic, 10 Sep. 2019

Word History

Etymology

International Scientific Vocabulary

First Known Use

1859, in the meaning defined at sense 1