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annulus

annulus

5 9.8
A ring-shaped area between two circles that have the same center
  • noun
  • /ˈæn.jə.ləs/
  • Specialized
translation icon : anillo
  • The scientist studied the annulus formed between the inner and outer layers of the Earth's crust.
  • annulus fibrosis

And it's and it's from the Latin annulus, meaning ring.

Examples

  • The number of possible avenues of flow in and out of the annulus is many.

    Blog text (14)
  • We presented this annulus with little squares.

  • So it's in that annulus between the rod and the cylinder.

  • And of course, the evidence is the composition of the contents of the annulus.

    Blog text (14)
  • The annulus fibrosis is the outer ring of the disc.

    Academic text (2005)
  • The production casing is closed at the bottom, but the casing annulus is flowing reservoir fluids.

    Blog text (17)
  • The outer portion of the intervertebral disc, the annulus fibrosis, ruptures, leading to protrusion of the nucleus pulposus.

    Academic text (2005)
  • In geometry class, we learned about the area of an annulus with two concentric circles.

  • The technician measured the thickness of the annulus surrounding the pipe to ensure proper insulation.

Synonyms

ring
vsannulus
501 2.8

A round shape or area that goes around something

is specifically the area between two concentric circles or cylinders
halo
vsannulus
9 4.2

A ring of light or mist around something

is a geometric shape defined by two concentric boundaries rather than light
anchor ring
vsannulus
  • Specialized
7.7

A doughnut-shaped solid with a hole in the middle

is a flat region between two concentric circles or cylinders
annulet
vsannulus
  • Specialized
9.9

A small ring shaped band around the top of a column

is a general geometric circular region not limited to decoration or size

Surface Forms

annulus singular
annuluses plural
annuli plural

Etymology

Annulus comes from the Latin word annulus, which meant 'little ring'. So it now means a ring or ring-shaped area, like the space between two concentric circles.