# characteristic directions

## characteristic directions

[‚kar·ik·tə′ris·tik də′rek·shənz] (mathematics)

For a point

*P*on a surface*S*, the pair of conjugate directions which are symmetric with respect to the directions of the lines of curvature on*S*through*P*.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

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