alphanumeric (B1)

adjective

Pronunciation: /ˌæl.fə.nuːˈmer.ɪk/

Definition

Consisting of letters and numbers, or symbols that represent letters and numbers.

Examples

• The system accepts alphanumeric passwords only.

• Please enter your alphanumeric username.

• The license plate was a sequence of alphanumeric characters.

How to Use alphanumeric

alphanumeric characters (collocation)

Letters and numbers used together. — "Please ensure your username contains only alphanumeric characters."

alphanumeric string (collocation)

A sequence of letters and numbers. — "The system generated a random alphanumeric string for the temporary password."

Synonyms of alphanumeric

Words with a similar meaning to alphanumeric:

• character-based
• letter-and-number
• alphanumeric

Antonyms of alphanumeric

Words with the opposite meaning to alphanumeric:

• numeric
• alphabetic

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