American Heritage Dictionary
(4)
Century Dictionary
(23)
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
Type IX collagen is found in the nucleus, annulus, and vertebral endplates.— Recently Uploaded Slideshows
They are composed of a strong outer covering called the annulus, and a soft jelly center called the nucleus.— BeanRocket Blog Communities Lastest Posts
The name annular eclipse comes from the Latin annulus, meaning ring.— The Times of India
A distinct operculum is usually detached by the help of the annulus, and its removal may leave the mouth of the capsule widely open.— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
That part of the veil which breaks away from the cap, called the secondary veil, forms the annulus or ring.— Among the Mushrooms A Guide For Beginners

American Heritage Dictionary (1)
Century Dictionary (1)
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