hemipneustic

H4E1M3I1P3N1E1U1S1T1I1C3

adjective

in tracheal systems, having at least one functional pair of spiracles fewer than than the ten open pairs in holopneustic tracheal systems; hemipneustic systems occur for example, in the larvae of some Lepidoptera.

Scrabble 21
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adjectivehemipneustic (not comparable)
  1. not comparablebiologyin tracheal systems, having at least one functional pair of spiracles fewer than than the ten open pairs in holopneustic tracheal systems; hemipneustic systems occur for example, in the larvae of some Lepidoptera.

    1977 O.W. Richards & R.G. Davies Imms' general textbook of entomology pub. Methuen Hemipneustic Respiratory Systems... are prevalent among insect larvae and are derived from the holopneustic type through one or more pairs of spiracles becoming non-functional.

Origin

From ἡμι- (hēmi-, “half”) and πνευστικός (pneustikós).

Full word history & related roots →
Cite this entry
APA

hemipneustic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hemipneustic

MLA

“hemipneustic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemipneustic. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hemipneustic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hemipneustic.

Source: hemipneustic on Wiktionary, CC BY-SA 4.0.