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

Williams noted that the Texas case involved the background art and designs on specialty plates, not the alphanumeric text.

From Seattle Times • May 15, 2024

Long ignored except by a tiny scientific community, these pathogens with clunky, alphanumeric names—NL63, 229E, and HKU1 are the other three—are now getting their due.

From Science Magazine • Jan. 11, 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