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annulate Line breaks: an¦nu|late
Pronunciation: /ˈanjʊlət/

Definition of annulate in English:


chiefly Zoology
Having rings; marked with or formed of rings: an annulate worm
More example sentences
  • In twelve of these cases the antennae were elongated annulate structures.
  • Pleopods are made up of two narrow, annulate rami, the anteriormost being the slightly longer of the two.
  • The main focus of this research proposal is to analyze the biogenesis of nuclear pore complexes and annulate lamellae.


Early 19th century: from Latin annulatus, from anulus, annulus 'a ring'.



Example sentences
  • The most striking feature seen on the fossil annelids in this study is the ‘fan,’ a cephalic cage formed by annulated capillary setae.
  • The shell surface is distinctly annulated along its sides, with broad annulae that are separated by deep narrow grooves.
  • However, annulated tubes with definite tetraradial symmetry have been found in Ediacaran-age biotas in both South America and southwestern North America, and referred to the genus Corumbella.


Pronunciation: /anjʊˈleɪʃ(ə)n/
Example sentences
  • At the same time, both genera have well-developed, multiannulate first antennae, whereas modern branchiopods have dwarfed first antennae without much of annulation or segmentation at all.
  • The annulations give the shell a segmented appearance.
  • It is characterized by a very gently tapered, finely laminated conical tube lacking strong transverse annulations.

Definition of annulate in:

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