1. relating to or denoting different written forms of the same letter or character
Usage: linguistics; typography
2. relating to writing done by someone other than the person whose signature or handwriting it purports to be
Usage: forensics; legal

Examples

• The capital letter A and lowercase a are allographic variants of the same letter.
• Different fonts may contain allographic forms of the same character.
• The forensic expert identified several allographic features in the disputed document.
• Allographic analysis revealed that the signature was not authentic.
• The study examined allographic variations in medieval manuscripts.
• Handwriting experts use allographic comparison to detect forgeries.