holopneustic

holopneustic [hol-uh p-noo-stik, -nyoo-, hoh-luh p-] Word Origin adjective

1. having all the spiracles open, as the tracheal systems of most insects.

Origin of holopneustic 1890–95; holo- + Greek pneustikós pertaining to breathing, equivalent to pneust(ós) verbid of pneîn to breathe (see pneuma) + -ikos -ic