apneustic
apneustic adjective: of or relating to apneusis.

Adjective
apneustic (not comparable)
- Of or relating to apneusis.
- in tracheal systems: having no open spiracles, as occurs in larvae of certain aquatic insects.
- The holopneustic type of [tracheal] system has all ten pairs of spiracles open, ... while the apneustic type has no functional spiracles,
respiration occurring through the general body surface or gills. The tracheal systems with few or no open spiracles
are found in aquatic and endoparasitic...Davies, R. G. (1988), Outlines of Entomology, 7th edition, London: Chapman and Hall, page 73
- The holopneustic type of [tracheal] system has all ten pairs of spiracles open, ... while the apneustic type has no functional spiracles,
Origin of apneustic
From Ancient Greek ἀ- (a-) and πνευστικός (pneustikós).
Questions about apneustic
- What does apneustic mean?
- Apneustic means of or relating to apneusis.
- What part of speech is apneustic?
- Apneustic is an adjective.
Words near apneustic in the dictionary
Source and license
Adapted from Wiktionary: apneustic (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.
Last updated:
Cite this entry: “apneustic.” Word.ws, https://word.ws/apneustic. Based on Wiktionary, CC BY-SA 4.0.
