I know that the generalization of parallel lines to curves in 2D is just "parallel curves", but is there any term which generalizes the idea of skew lines to curves? "Skew curves" doesn't work, this term already being co-opted by statistics. Example: if you had two curves coiling around each other in the fashion of the typical simplified diagram for the DNA double helix, where each curve (strand) is separated from the other by a constant distance (length of the base pairs). (For the biologists, please don't write to tell me how the simplified diagram is not accurate. I am not asking a question in biology, but just using it as an example of the form.)(adsbygoogle = window.adsbygoogle || []).push({});

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# I Term: generalization of parallel curves to 3D

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