helix
(anatomy) Part of the large intestine; the final segment of the digestive system, after (distal to) the ileum and before (proximal to) the rectum. (Because the colon is the largest part of the larg...
plural of ribald
(mathematics) A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.
plural of dragon
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