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Annulus   Listen
noun
Annulus  n.  (pl. annuli)  
1.
A ring; a ringlike part or space.
2.
(Geom.)
(a)
A space contained between the circumferences of two circles, one within the other.
(b)
The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it.
3.
(Zool.) Ring-shaped structures or markings, found in, or upon, various animals.





Collaborative International Dictionary of English 0.48


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Words linked to "Annulus" :   partial veil, ring, Fungi, fairy circle, halo, anchor ring, skirt, fungus kingdom, plant structure, kingdom Fungi, fairy ring, doughnut


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