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Annulus Meaning: Definition, Examples, and Translations

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annulus

an-nu-lus

🇬🇧 /ɐnˈuːluːz/

Definitions

Context #1 | Noun

geometry

A ring-shaped object, structure, or region.

Synonyms

band, circle, ring.

Examples of usage

  • The planet Saturn is known for its annulus.
  • The annulus of a tree trunk can indicate its age.
  • The annulus in a disc brake provides the friction surface.
Context #2 | Noun

anatomy

A ring-shaped part or structure in the body.

Synonyms

band, circle, ring.

Examples of usage

  • The intervertebral disc has an outer annulus and an inner nucleus.
  • The annulus of the eye surrounds the pupil.

Translations

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Quick facts about “annulus”

Annulus is a 3-syllable noun (an-nu-lus). It is pronounced /ɐnˈuːluːz/. On finesentence.com it has 2 meanings, 6 synonyms, and translations into 21 languages. It ranks #18,050 among the most common English words.

Origin of 'annulus'

The word 'annulus' comes from the Latin word 'annulus', meaning 'a ring'. It has been used in geometry and anatomy to describe ring-shaped objects or structures. The term has been in use for centuries to refer to circular or ring-like formations in various fields.

Word Frequency Rank

With rank #18,050, this word belongs to specialized vocabulary. While not common in everyday speech, it enriches your ability to express complex ideas.