Word.ws English Dictionary

pneumatode

pneumatode noun: a group of cells with spiral secondary wall thickenings, present in a velamen; acts as an airway for gas exchange for respiration or photosynthesis.

Noun

pneumatode (plural pneumatodes)

  1. A group of cells with spiral secondary wall thickenings, present in a velamen; acts as an airway for gas exchange for respiration or photosynthesis
  2. A group of cells presumed to be specialised as an airway for ventilation of particular tissues.
    • The roots of palms are characterised by pneumatodes on both underground and aerial roots. These have been supposed to ventilate the underground roots, but direct physiological evidence for this is lacking.2015, R. H. V. Corley, P. B. H. Tinker, The Oil Palm, Wiley, →ISBN, page 144

Forms of pneumatode

pluralpneumatodes

Origin of pneumatode

From Ancient Greek πνεῦμα (pneûma) (breath) and ὁδός (hodós) (pathway)

Questions about pneumatode

What does pneumatode mean?
Pneumatode means a group of cells with spiral secondary wall thickenings, present in a velamen; acts as an airway for gas exchange for respiration or photosynthesis.
What part of speech is pneumatode?
Pneumatode is a noun.
What is the plural of pneumatode?
The plural of pneumatode is pneumatodes.

Words near pneumatode in the dictionary

  1. pneumatocracy
  2. pneumatocratic
  3. pneumatocyst
  4. pneumatocystic
  5. pneumatocysts
  6. pneumatode
  7. pneumatodes
  8. pneumatogram
  9. pneumatograms
  10. pneumatograph
  11. pneumatographic

Source and license

Adapted from Wiktionary: pneumatode (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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