1. the act or process of converting something written in code or cipher into plain, readable text
2. the act of making out or understanding something that is unclear, illegible, or difficult to read

Examples

• The decipherment of ancient Egyptian hieroglyphics was a major breakthrough in archaeology.
• Scholars worked for years on the decipherment of the mysterious manuscript.
• The decipherment of the coded message helped solve the historical puzzle.
• Her careful decipherment of the faded handwriting revealed important family records.
• The decipherment of DNA sequences has transformed modern medicine.
• Without the key, decipherment of the encrypted files would be nearly impossible.