1. preserves a dead body by embalming and wrapping it, especially as practiced in ancient Egypt
2. dries out and preserves something naturally or artificially

Examples

• The ancient Egyptian process mummifies bodies using natron salt.
• Hot, dry desert air naturally mummifies organic materials.
• The museum exhibit shows how the priest mummifies the pharaoh.
• Extreme cold sometimes mummifies animals found in glaciers.
• The dry climate mummifies wood and fabric over centuries.
• She studies how different cultures mummify their dead.
• The process mummifies the tissue by removing all moisture.