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Meaning of alphanumeric

al•pha•nu•mer•ic

Pronunciation: (al"fu-n-mer'ik, -ny-), [key]
— adj. Computers.
  1. (of a set of characters) including letters, numbers, and, often, special characters, as punctuation marks: alphanumeric code.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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