annulus, skirt
(noun) (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
ring, halo, annulus, doughnut, anchor ring
(noun) a toroidal shape; “a ring of ships in the harbor”; “a halo of smoke”
Source: WordNet® 3.1
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 radii.
(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.
• (topological space): cylinder
• (ring-shaped structure): torus
Source: Wiktionary
An"nu*lus, n.; pl. Annuli. Etym: [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. (Zoöl.)
Definition: Ring-shaped structures or markings, found in, or upon, various animals.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 April 2024
(verb) embody the essential characteristics of or be a typical example of; “The fugue typifies Bach’s style of composition”
According to Guinness World Records, the largest coffee press is 230 cm (7 ft 6 in) in height and 72 cm (2 ft 4 in) in diameter and was created by Salzillo Tea and Coffee (Spain) in Murcia, Spain, in February 2007. The cafetière consists of a stainless steel container, a filtering piston, and a superior lid.
