conformal

adjective3

1. •
   That conforms, especially to the shape of something.

   • One method for delivering high doses of radiation to a small area is by using more conformal types of radiotherapy. — 2011
2. •
   That preserves angles between intersecting curves.

   • This would have been tantamount to a conformal transformation. — 1991
3. •
   That preserves relative angles over small scales, at all but a limited number of distinct points.

   • On conformal map projections, the scale depends on location only and not direction.