pneumatophore

P3N1E1U1M3A1T1O1P3H4O1R1E1

noun

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

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Meanings

nounpneumatophore (plural pneumatophores)

plural pneumatophores

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

Origin

From pneumato- + -phore.

Full word history & related roots →
Cite this entry
APA

pneumatophore. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pneumatophore

MLA

“pneumatophore.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pneumatophore. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pneumatophore,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pneumatophore.

Source: pneumatophore on Wiktionary, CC BY-SA 4.0.