Pneumatophore meaning

no͝o-mătə-fôr, nyo͝o-, no͝omə-tə-, nyo͝o-
A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.
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(botany) A specialized respiratory root in certain aquatic plants, such as the bald cypress, that grows upward and protrudes above the water or mud into the air.
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(bot.) A porous, woody, specialized branch growing upright into the air from the buried roots of certain swamp trees, as the mangrove, and providing access to the atmosphere.
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(zool.) A polyp with a gas-filled cavity in siphonophore hydrozoans, serving as a float for the colony.
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A specialized root that grows upwards out of the water or mud to reach the air and obtain oxygen for the root systems of trees that live in swampy or tidal habitats. The “knees” of mangroves and the bald cypress are pneumatophores.
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(zoology) A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.
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(botany) An aerial root, in mangroves etc., specialized for gaseous exchange.
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Origin of pneumatophore

  • pneumato- +"Ž -phore

    From Wiktionary