pneumatophore
[noo-mat-uh-fawr, -fohr, nyoo-, noo-muh-tuh-, nyoo-]
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noun
Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
Zoology. the air sac of a siphonophore, serving as a float.
Origin of pneumatophore
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pneumatophore
Historical Examples of pneumatophore
The one end forms the pneumatophore, and the other, the oral part, the polypite.
The Works of Francis Maitland Balfour, Volume II (of 4)Francis Maitland Balfour
In cases where the cormus has no pneumatophore the topmost swimming bell may contain an oil-reservoir or oleocyst.
Divergent views have been held as to the morphological significance of the pneumatophore.
Next the pit closes up to form a vesicle with a pore, and so gives rise to the pneumatophore.
If sterile they remain attached and locomotor in function, forming the nectosome, the pneumatophore and swimming-bells.
pneumatophore
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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pneumatophore
[nōō-măt′ə-fôr′, nōō′mə-tə-]
The American Heritage® Science Dictionary
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