adj. [Gr. an, without; L. seta, bristle]
(ANNELIDA: Oligochaeta)
Pertaining to being without setae; as in the peristomium and pygomere of earthworms.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • acétal — ● acétal, acétals nom masculin (allemand acetal ; du latin acet(um), vinaigre, et de l allemand al[kohol]) Nom générique des diéthers dérivant des aldéhydes et des cétones. ● acétal, acétals (difficultés) nom masculin (allemand acetal ; du latin… …   Encyclopédie Universelle

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