• synonyms


or an·nu·lat·ed

[an-yuh-lit, -leyt or an-yuh-ley-tid]
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  1. formed of ringlike segments, as an annelid worm.
  2. having rings or ringlike bands.

Origin of annulate

1820–30; < Latin annulātus, variant of ānulātus ringed, equivalent to ānul(us) ring + -ātus -ate1
Related formsan·nu·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for annulate

Historical Examples

  • Abdomen not annulate nor prolonged behind; eight legs in the adult stage.

    Handbook of Medical Entomology

    William Albert Riley

  • The longitudinal type characterises such genera as Vibrio, Filaria, Gordius, and all the annulate animals.

    Form and Function

    E. S. (Edward Stuart) Russell

  • Thus vertebrate and annulate embryos agree in certain points at the time of the formation of the primitive streak.

    Form and Function

    E. S. (Edward Stuart) Russell

  • In eggs with yolk, whether vertebrate or annulate, there is always a separation into an animal and a plastic layer.

    Form and Function

    E. S. (Edward Stuart) Russell

  • Cross rings may or may not be present, and the cup is either smooth or annulate.

British Dictionary definitions for annulate


  1. having, composed of, or marked with rings
Derived Formsannulated, adjective

Word Origin

C19: from Latin ānulātus, from ānulus a ring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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