Definition of alphanumeric adjective from the Oxford Advanced Learner's Dictionary

 

alphanumeric

 adjective
adjective
BrE BrE//ˌælfənjuːˈmerɪk//
 
; NAmE NAmE//ˌælfənuːˈmerɪk//
 
(also alphanumerical
BrE BrE//ˌælfənjuːˈmerɪkl//
 
; NAmE NAmE//ˌælfənuːˈmerɪkl//
 
)
 
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containing both letters and numbers an alphanumeric code Word Origin 1950s: blend of alphabet and numeric, from numerical early 17th cent. term: from medieval Latin numericus.
See the Oxford Advanced American Dictionary entry: alphanumeric