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ring chromosomes
plural of ring chromosome
ring spanners
plural of ring spanner
Niven ring
(science fiction) A solid ring type Dyson ring around a star, capable of containing an interior surface that could be terraformed into a habitat with an inner ring of occultation panels to provide a day-night cycle.
Einstein ring
A ring-shaped gravitational mirage: an image of a distant light source (such as a galaxy) which has been distorted into a ring by a gravitational lens.
ring chromosome
A chromosome whose arms have fused together to form a ring.
ring oscillator
A device composed of an odd number of NOT gates whose output oscillates between two voltage levels, representing true and false. The NOT gates, or inverters, are attached in a chain; the output of the last inverter is fed back into the first.
ring gauge
A cylindrical ring of a thermally stable material, often steel, whose inside diameter is finished to gauge tolerance and is used for checking the external diameter of a cylindrical object.
shen ring
A circle with a line at a tangent to it, represented in hieroglyphs as a stylized loop of rope, representing eternal protection.
cinnamon ring
prison ring
A ring (item worn on the finger) fashioned by hand in a prison, commonly from a celluloid item such as a toothbrush or a pen.
