from The Century Dictionary.

  • In mathematics, preserving the true or original shape of the infinitesimal parts, though it may be expanding or contracting them unequally.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Geom.) Having the right form.
  • adjective a projection in which the angles in the figure to be projected are equal to the corresponding angles in the projected figure.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective cartography Another term for conformal.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek ὀρθός (orthos, "straight") + μορφή (morphe, "form, shape").


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