pneumatophore root

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• 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… …   New Collegiate Dictionary

• 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•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

• pneumatophore — /ˈnjumətoʊfɔ/ (say nyoohmuhtohfaw) noun 1. Botany a specialised structure developed from the root in certain plants growing in swamps and marshes and serving as a respiratory organ. 2. Zoology the air sac of a siphonophore, serving as a float …  

• pneumatophore — n. 1 the gaseous cavity of various hydrozoa, such as the Portuguese man of war. 2 an aerial root specialized for gaseous exchange found in various plants growing in swampy areas …   Useful english dictionary

• Aerial root — Pneumatophore redirects here. It is also a name for the air bladder of the Portuguese Man o War. Aerial roots are roots that are aboveground. They are almost always adventitious. They are found in diverse plant species, including epiphytes also… …   Wikipedia

• Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …   Wikipedia

• Mangrove — World mangrove distribution …   Wikipedia