Alpha-numeric is a term used to describe a combination of letters and numbers. However, there are various synonyms for this word that also describe the same concept. Some of the popular synonyms for alpha-numeric are alphanumerical, alphanumeric, alphanumeral, alphanumerical and alphameric. These synonyms are often used interchangeably to describe codes, passwords, serial numbers amongst others. These words are often used in technology, the medical field, and engineering, amongst other areas where numbers and letters are used to identify or classify specific items. Regardless of which synonym is used, the concept remains the same, a combination of letters and numbers used for identification or classification.