enteropneust

American

[en-tuh-ruhp-noost, -nyoost] / ˈɛn tə rəpˌnust, -ˌnjust /

noun

any of various invertebrate animals of the class Enteropneusta, comprising the acorn worms.

Etymology

Origin of enteropneust

< New Latin Enteropneusta, equivalent to Greek entero- entero- + -pneusta, neuter plural of pneustós breathed, verbid of pneîn to breathe

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enteropneust

The two acorn worms whose genomes are described here represent the two main enteropneust lineages, separated by at least 370 million years and differing in their developmental modes.

From Nature ● Nov. 17, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023