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pneumatophore.

A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.

13 characters4 syllables approx.English language

Meaning & usage

noun
  1. A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.

  2. An aerial root, in mangroves etc., specialized for gaseous exchange.

  3. An apparatus consisting of a bag with a tube and mouthpiece, which may be attached to the body. The bag contains oxygen to be breathed by the wearer in rescue work in mines, etc.

Where this word comes from

From pneumato- + -phore.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.