 annulus |
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| 1. | [ noun ] (geometry) a toroidal shape | |
| Synonyms: | ring doughnut anulus anchor_ring halo | |
| Examples: | "a ring of ships in the harbor" "a halo of smoke" |
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| Related terms: | toroid fairy_ring surround | |
| 2. | [ noun ] (fungi) remnant of the partial veil that in mature mushrooms surrounds the lower part of the stem | |
| Related terms: | plant_part partial_veil Fungi | |
| Similar spelling: |
anulus |
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