English

Noun

codirection ‎(countable and uncountable, plural codirections)

1. (uncountable) joint direction of a film, etc.
2. (countable, mathematics) This term needs a definition. Please help out and add a definition, then remove the text {{rfdef}}.
   • 2003, Krishan L. Duggal, ‎Ramesh Sharma, Recent Advances in Riemannian and Lorentzian Geometries (page 80)

     It can be shown that the set of hyperbolic codirections consists of distinct pairs of oppositely-directed convex cones.