Annulary – Definition & Meaning

Annulary is a term that is not commonly used in everyday language. It is a word that is often found in specialized fields such as mathematics, engineering, and geology. However, understanding the meaning of this word can be useful for those who work in these fields or for those who are simply interested in expanding their vocabulary.


The term annulary can be defined as something that is shaped like a ring or an annulus. It can also refer to something that is circular or curved in shape.
In mathematics, annulary refers to a region or space that is bounded by two concentric circles. This term is often used when discussing the area between two circles.
In geology, annulary can be used to describe the shape of a volcanic crater. It is also used to describe the shape of certain geological formations such as annular folds.


The word annulary comes from the Latin word “annulus” which means “ring”. The suffix “-ary” is added to the end of the word to create the adjective form of the word.

Meaning in different dictionaries

According to the Merriam-Webster Dictionary, annulary is defined as “shaped like a ring or annulus”. The Oxford English Dictionary defines it as “of or relating to a ring or rings”.


Annulary is often associated with circular shapes, rings, and annuli. It is also associated with mathematics, engineering, and geology.


Some synonyms of annulary include circular, ring-shaped, annular, and curved.


Antonyms of annulary include square, rectangular, and angular.

The same root words

The root word “annulus” is also found in other words such as annulate, annulation, and annulet.

Example Sentences

  1. The volcanic crater had an annulary shape.
  2. The area between two concentric circles is known as an annulary region.
  3. The annulary folds in the rock formation were caused by tectonic activity.
  4. The engineer designed a machine with an annulary shape to improve its efficiency.
  5. The wedding ring was a beautiful annulary band of gold.
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