Definition of propneustic in English:
propneustic
adjective
Entomology
Designating or having a respiratory system in which only the most anterior pair of spiracles is functional.
Origin
Late 19th century; earliest use found in Alpheus Packard (1839–1905). From pro- + -pneustic, after German propneustisch.
Pronunciation
propneustic
/prəʊˈnjuːstɪk/