Annulate – Definition & Meaning

Annulate is a term that is not commonly used in everyday language. It is a word that is mostly used in scientific contexts. The term is used to describe something that is ring-shaped or has rings. This article will explore the definition, origin, meaning, associations, synonyms, antonyms, root words, and example sentences of the term annulate.


The term annulate is an adjective that describes something that is ring-shaped or has rings. It is often used to describe the shape of a structure or object. For example, a worm or a snake’s body is annulate because it is made up of a series of rings or segments.


The term annulate is derived from the Latin word “annulus,” which means “ring.” The word has been in use since the 17th century and is still used today in scientific contexts.

Meaning in different dictionaries

The meaning of annulate is consistent across different dictionaries. For example, the Merriam-Webster dictionary defines annulate as “having rings, ring-shaped, or marked with rings.” The Oxford English Dictionary defines annulate as “having rings or ring-like markings.”


Annulate is a term that is often associated with biology and anatomy. It is used to describe the structure of organisms that have a segmented body, such as worms, snakes, and some insects. It is also used in the field of chemistry to describe the structure of certain molecules.


There are several synonyms for the term annulate, including ringed, circled, banded, and striated.


The antonyms of annulate include unringed, unmarked, and smooth.

The same root words

The root word of annulate is “annulus,” which means “ring.” Other words that share the same root include annular, annulated, and annulation.

Example Sentences

  1. The snake’s body was annulate, with a series of rings running down its length.
  2. The molecule had an annulate structure, with rings of atoms connected together.
  3. The tree had an annulate pattern on its bark, with rings circling the trunk.
  4. The worm was annulated, with a segmented body made up of rings.
  5. The bracelet was annulate, with a series of rings linked together to form a chain.
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