1. the action or process of numbering or counting
2. a system of numbering or notation

Examples

• The numerations in the ancient manuscript were difficult to decipher.
• Different cultures developed various numerations throughout history.
• The teacher explained binary numerations to the computer science students.
• Roman numerations are still used on clock faces and building cornerstones.
• The survey required careful numerations of all household items.
• Mathematical numerations can be expressed in different bases.