Meaning of ANNULUS
| Pronunciation: | | 'anyulus
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 WordNet Dictionary |
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- [n] (fungi) remnant of the partial veil that in mature mushrooms surrounds the lower part of the stem
- [n] a toroidal shape; "a ring of ships in the harbor"; "a halo of smoke"
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ANNULUS is a 7 letter word that starts with A. |
| | Synonyms: | | anchor ring, anulus, doughnut, halo, ring |
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| | See Also: | | fairy circle, fairy ring, partial veil, plant part, toroid, velum | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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.
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| Medical Dictionary |
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| | Definition: | | A ring-like structure such as the ring around a heart valve where the valve leaflet merges with the heart muscle. |
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| Biology Dictionary |
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- A ring; in ferns, the elastic ring of cells, forming part of the sporangium wall, that initiates dehiscence.
- In fisheries terminology, a yearly mark formed on the hard parts (scales, bones, otoliths) of fish, corresponding to a period of slow growth.
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