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Definition annulus
Etymology
Borrowed from Latin annulus.
Noun
annulus (plural annuluses or annuli)
- A ring- or donut-shaped area or structure.
- (geometry) The region in a plane between two concentric circles of different radius.
- (topology) Any topological space homeomorphic to the region in a plane between two concentric circles of different radius.
- (astronomy) The ring of the sun not covered by the moon in an annular solar eclipse.
- (botany) Structure in a fern that consists of differentially thick-walled cells on a sporangium that bend and distort as a result of drying.
- (mycology) The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
- (oil and gas production) The space contained between the centre well bore and any external tubing. Sometimes used for separated gas flow.
Results 79 Words with the letters ANNULUS
15 letter words with the letters ANNULUS ↑
14 letter words with the letters ANNULUS ↑
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10 letter words with the letters ANNULUS ↑
LANUGINOUS
17
RANUNCULUS
19
9 letter words with the letters ANNULUS ↑
ANNULUSES
14
7 letter words with the letters ANNULUS ↑
ANNULUS
12
6 letter words with the letters ANNULUS ↑
ANNULS
10
5 letter words with the letters ANNULUS ↑
4 letter words with the letters ANNULUS ↑
3 letter words with the letters ANNULUS ↑
2 letter words with the letters ANNULUS ↑
You can also try words with the phrase ANNULUS, words starting with the letters ANNULUS, or words ending in the letters ANNULUS.
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