Meaning of ALPHANUMERIC in English

ALPHANUMERIC

al ‧ pha ‧ nu ‧ mer ‧ ic /ˌælfənjuːˈmerɪk◂ $ -nuː-/ BrE AmE ( also al‧pha‧nu‧mer‧i‧cal /-ˈmerɪk ə l/) adjective

[ Date: 1900-2000 ; Origin: alphabet + numerical ]

using letters and numbers:

alphanumeric codes

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.