Standard Lemma guide

hemipneustic

adj · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

adj

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, entomology, natural-sciences

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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