adj. 1. of or pertaining to alphanumerics.
Syn. -- alphanumeric, alphameric, alphamerical [ WordNet 1.5 ]

2. (Computers) using or consisting of only alphabetical and numerical characters; -- contrasting with binary or control. alphanumeric characters
Syn. -- alphanumeric, alphanumerical, alphameric, alphamerical [ PJC ]