alphanumeric

American  

[al-fuh-noo-mer-ik, -nyoo-] / ˌæl fə nuˈmɛr ɪk, -nyu- /

Also alphameric

adjective

Computers.

1. (of a set of characters) including letters, numbers, and, often, special characters, as punctuation marks.

   alphanumeric code.

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alphanumeric British  

/ ˌælfənjuːˈmɛrɪk, ˌælfəˈmɛrɪk /

adjective

1. (of a character set, code, or file of data) consisting of alphabetical and numerical symbols

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Other Word Forms

• alphamerically adverb
• alphanumerically adverb

Etymology

Origin of alphanumeric

First recorded in 1950–55; alpha(bet) + numeric(al)

Example Sentences

It’s an alphanumeric code that the airline gives you after purchasing your ticket.

From MarketWatch • Dec. 3, 2025

The alphanumeric code went out on the chats, on the Instagram.

From Slate • Oct. 27, 2025

This, said the expert, would have been armed by a signal, something called an alphanumeric text message.

From BBC • Sep. 17, 2024

Since then, courts in California, Maryland, Rhode Island and Tennessee have ruled that alphanumeric text on vanity plates is private speech, while Hawaii and Indiana courts have said it is government speech.

From Seattle Times • May 15, 2024

He carried an alphanumeric beeper and consulted it often; his plans were subject to constant change.

From "Newjack: Guarding Sing Sing" by Ted Conover