ANNULUS (annuli)

Pronunciation (US):

(GB):

Irregular inflected form: annuli   

 Dictionary entry overview: What does annulus mean? 

• ANNULUS (noun)
  The noun ANNULUS has 2 senses:

1. a toroidal shape

2. (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

  Familiarity information: ANNULUS used as a noun is rare.

 Dictionary entry details 

• ANNULUS (noun)

Sense 1

Meaning:

A toroidal shape

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

anchor ring; annulus; doughnut; halo; ring

Context example:

a halo of smoke

Hypernyms ("annulus" is a kind of...):

toroid (the doughnut-shaped object enclosed by a torus)

Hyponyms (each of the following is a kind of "annulus"):

fairy circle; fairy ring (a ring of fungi marking the periphery of the perennial underground growth of the mycelium)

Sense 2

Meaning:

(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

Classified under:

Nouns denoting plants

Synonyms:

annulus; skirt

Hypernyms ("annulus" is a kind of...):

plant part; plant structure (any part of a plant or fungus)

Domain category:

Fungi; fungus kingdom; kingdom Fungi (the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants)

Holonyms ("annulus" is a part of...):

partial veil (membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap)

 Context examples 

Spongy discs located between the vertebrae of the spinal column; composed of the outer annulus fibrosus and inner nucleus pulposus.

(Intervertebral Disc, NCI Thesaurus)

A color scale or grayscale display of polar maps as concentric annuli.

(Diagnostic Imaging Bull's Eye, NCI Thesaurus)

A plot whose ordinate is a quantifier, such as some measure of activity concentration, at points around an annulus in a slice, and whose abscissa is in degrees.

(Circumferential Profile Plot, NCI Thesaurus)