pneumatophore
noun Etymology: International Scientific Vocabulary Date: 1859 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

New Collegiate Dictionary. 2001.

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  • pneumatophore — [ pnømatɔfɔr ] n. m. • 1846; de pneumato et phore 1 ♦ Bot. Excroissance des racines de quelques arbres qui croissent dans l eau (palétuvier, etc.) permettant la respiration des racines. Les pneumatophores du cyprès chauve. 2 ♦ Zool. Appareil… …   Encyclopédie Universelle

  • Pneumatophore — Pneu*mat o*phore, n. [Pneumato + Gr. fe rein to bear.] (Zo[ o]l.) One of the Pneumonophora. [1913 Webster] …   The Collaborative International Dictionary of English

  • pneumatophore — [no͞o′mə tō fôr΄, no͞o′mətəfôr΄; nyo͞o′mə tō fôr΄, nyo͞o′mə tə fôr΄; no͞o mat′ōfôr΄, no͞o mat′əfôr΄; nyo͞omə tō fôr΄, nyo͞omə tə fôr΄; nyo͞omə tō fôr΄, nyo͞omə tə fôr΄; nyo͞omat′ō fôr΄, nyo͞omat′ō fôr΄] n. 1. Bot. a porous, woody, specialized… …   English World dictionary

  • Pneumatophore — Pneumatophores d’un Taxodium ascendens nutans (Cyprès des étangs) …   Wikipédia en Français

  • pneumatophore — n. [Gr. pneuma, air; phoreus, bearer] (CNIDARIA: Hydrozoa) In Siphonophora, a muscular organ that possesses a gas secreting gland and functions as an air sac float of a colony …   Dictionary of invertebrate zoology

  • pneumatophore — pneumatophorous /nooh meuh tof euhr euhs, nyooh /, adj. /noo mat euh fawr , fohr , nyoo , nooh meuh teuh , nyooh /, n. 1. Bot. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a… …   Universalium

  • pneumatophore — noun a) A gas filled sac or float of some colonial marine coelenterates, such as the Portuguese man of war b) An aerial root, in mangroves etc., specialized for gaseous exchange …   Wiktionary

  • pneumatophore — [ nju:mətəfɔ:] noun 1》 Zoology the gas filled float of some colonial coelenterates, such as the Portuguese man of war. 2》 Botany (in mangroves) an aerial root specialized for the exchange of gases …   English new terms dictionary

  • pneumatophore — pneu·ma·to·phore …   English syllables

  • pneumatophore — pneu•mat•o•phore [[t]nʊˈmæt əˌfɔr, ˌfoʊr, nyʊ [/t]] n. 1) bot a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ 2) zool. the air sac of a siphonophore, serving as a… …   From formal English to slang

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