Definitions for writheraɪð
This page provides all possible meanings and translations of the word writhe
writhe, wrestle, wriggle, worm, squirm, twist(verb)
to move in a twisting or contorted motion, (especially when struggling)
"The prisoner writhed in discomfort"; "The child tried to wriggle free from his aunt's embrace"
The number of negative crossings subtracted from the number of positive crossings in a knot
To twist, to wring (something).
To contort (a part of the body).
To twist or contort the body; to be distorted.
Origin: writhen, from wriþan, from wrīþanan 'to twist, turn' (cf. Old High German rīdan 'to turn', Old Norse ríða 'to wind'), from (compare Lithuanian riēsti 'to unbend, wind, roll').
to twist; to turn; now, usually, to twist or turn so as to distort; to wring
to wrest; to distort; to pervert
to extort; to wring; to wrest
to twist or contort the body; to be distorted; as, to writhe with agony. Also used figuratively
Origin: [OE. writhen, AS. wran to twist; akin to OHG. rdan, Icel. ra, Sw. vrida, Dan. vride. Cf. Wreathe, Wrest, Wroth.]
In knot theory, there are several competing notions of the quantity writhe, or Wr. In one sense, it is purely a property of an oriented link diagram and assumes integer values. In another sense, it is a quantity that describes the amount of "coiling" of a mathematical knot in three-dimensional space and assumes real numbers as values. In both cases, writhe is a geometric quantity, meaning that while deforming a curve in such a way that does not change its topology, one may still change its writhe.
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