from The Century Dictionary and Cyclopedia

  • n. In mathematics, the locus of points in a plane (having a correspondence with another plane), which have, each of them, two of their corresponding points in the other plane coincident.


Sorry, no etymologies found.


  • It has clear advantage in long exposures; past one second of exposure time Kodachrome 64 experiences cross-curve reciprocity failures, in principle correctable by use of filters, but these filters are very difficult to obtain.

    Epinions Recent Content for Home


Log in or sign up to get involved in the conversation. It's quick and easy.