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more about annuli
annuli |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Annulus \An"nu*lus\, n.; pl {Annuli}. [L.] 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. (Zo["o]l.) Ring-shaped structures or markings, found in or upon various animals.
more about annuli