Ring meaning in English — annulus, collar, loop

English meaning

annulus noun A ring- or donut-shaped area, object, or structure.
collar noun The part of a shirt, jacket, or coat that fits around the neck.
loop noun A shape made by a line or path that curves back to cross or meet itself.
ring noun A small circular band, often worn on a finger as jewelry.

Ring is used for these senses in English:

annulus A ring- or donut-shaped area, object, or structure.
collar (technology) Any encircling device or structure.
loop (transportation) A bus or rail route, walking route, etc. that starts and ends at the same point.
ring (analysis, measure theory) A family of sets that is closed under finite unions and set-theoretic differences.
ring A place where some sports or exhibitions take place; notably a circular or comparable arena, such as a boxing ring or a circus ring; hence the field of a political contest.

noun A ring- or donut-shaped area, object, or structure.
noun A ring of fibrous tissue; specifically (cardiology), such a ring around an opening of a heart valve, to which the valve leaflets and muscle fibres of the atria and ventricles are attached; an annulus fibrosus cordis.
noun A ring of light in a celestial body, especially when caused by an annular eclipse (for example, when the Sun and Moon are in line with the Earth, but the Moon does not completely cover the Sun's disc).
noun A structure surrounding a sporangium (or part of it) which shrinks and causes it to rupture for spore dispersal; specifically, in a fern: a structure around about two-thirds of the sporangium consisting of differentially thick-walled cells which dry and distort the sporangium; and in a moss: a complete ring of cells around the tip of the sporangium which dissolves to cause the tip to detach.

Annulus Kreisring Halsband Halskette Kragen Schlaufe Schleife Endlosschleife Stromkreis geschlossener Stromkreis Gürtel Ringstraße