alphanumeric

al·pha·nu·mer·ic
A1L1P3H4A1N1U1M3E1R1I1C3
/ˌæl.fə.n(j)uːˈmɛ.ɹɪk/

adjective

Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.

Less commonScrabble 21

Meanings

adjectivealphanumeric (not comparable)

alternative alphameric · alternative alphamerical · alternative alphanumerical

  1. not comparableConsisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
  2. nonstandardnot comparablerareConsisting of these characters plus punctuation and other special characters.

    Therefore, we need a special code to represent all alphanumeric data (letters, symbols, and numbers).

    2005, Bali, 2000 Solved Problems in Digital Electronics, Tata McGraw-Hill Education, page 36
nounalphanumeric (plural alphanumerics)

plural alphanumerics · alternative alphameric · alternative alphamerical · alternative alphanumerical

  1. An alphanumeric character.

    Finally, alphanumerics are digits, uppercase letters, lowercase letters, or accented letters […]

    2014, Pierre M. Nugues, Language Processing with Perl and Prolog: Theories, Implementation, and Application, Springer, →ISBN, page 268

    Synonyms: alnum

Synonyms & antonyms

nounAn alphanumeric character.

Similar

More synonyms by meaning

adjectiveof or pertaining to alphanumeric characters

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Semitic*ʔalp-
  2. Phoenician𐤀𐤋𐤐 (ʾlp)
  3. Ancient Greekἄλφα (álpha)
  4. Proto-Semitic*bayt-
  5. Phoenician𐤁𐤕 (bt)
  6. Ancient Greekβῆτᾰ (bêtă)
  7. Ancient Greekἀλφάβητος (alphábētos)
  8. Medieval Greekἀλφάβητον (alphábēton)
  9. Classical Latinalphabētum
  10. Middle Englishalphabete
  11. Englishalphabet
  12. Englishalpha-
  13. Proto-Indo-European*nem-
  14. Proto-Italic*nomezos
  15. Latinnumerus
  16. Frenchnumérique
  17. Englishnumeric
  18. Englishalphanumeric

From alpha- + numeric.

Full word history & related roots →

Translations

Catalan alfanumèric
  • alfanumèricconsisting of letters and numbers
Chinese Mandarin 文數 /文数, 文數字 /文数字
  • 文數 /文数 (wénshù)consisting of letters and numbers
  • 文數字 /文数字 (wénshùzì)consisting of letters and numbers
Czech alfanumerický
  • alfanumerickýconsisting of letters and numbers
Danish alfanumerisk
  • alfanumeriskconsisting of letters and numbers
Dutch alfanumeriek
  • alfanumeriekconsisting of letters and numbers
Esperanto litercifera
  • literciferaconsisting of letters and numbers
Finnish aakkosnumeerinen, alfanumeerinen
  • aakkosnumeerinenconsisting of letters and numbers
  • alfanumeerinenconsisting of letters and numbers
French alphanumérique
  • alphanumériqueconsisting of letters and numbers
German alphanumerisch, alphanummerisch
  • alphanumerischconsisting of letters and numbers
  • alphanummerischconsisting of letters and numbers
Greek αλφαριθμητικός, αλφαριθμικός
  • αλφαριθμητικός (alfarithmitikós)consisting of letters and numbers
  • αλφαριθμικός (alfarithmikós)consisting of letters and numbers
Hebrew אַלְפָא נוּמֶרִי
  • אַלְפָא נוּמֶרִי (álfa numéri)consisting of letters and numbers
Indonesian alfanumerik
  • alfanumerikconsisting of letters and numbers
Italian alfanumerico
  • alfanumericoconsisting of letters and numbers
Japanese 英数の, 英数字
  • 英数の (eisū no)consisting of letters and numbers
  • 英数字 (eisūji)consisting of letters and numbers
Māori retawhika
  • retawhikaconsisting of letters and numbers
Norwegian Bokmål alfanumerisk
  • alfanumeriskconsisting of letters and numbers
Polish alfanumeryczny
  • alfanumerycznyconsisting of letters and numbers
Portuguese alfanumérico
  • alfanuméricoconsisting of letters and numbers
Romanian alfanumeric, alfanumerică
  • alfanumericconsisting of letters and numbers
  • alfanumericăconsisting of letters and numbers
  • alfanumericiconsisting of letters and numbers
Russian бу́квенно-цифрово́й
  • бу́квенно-цифрово́й (búkvenno-cifrovój)consisting of letters and numbers
Spanish alfanumérico
  • alfanuméricoconsisting of letters and numbers
Swedish alfanumerisk
  • alfanumeriskconsisting of letters and numbers
Turkish alfanümerik, abecesayısal
  • alfanümerikconsisting of letters and numbers
  • abecesayısalconsisting of letters and numbers
  • abece-sayısalconsisting of letters and numbers
  • abece sayısalconsisting of letters and numbers

Rhymes & wordplay

Rhymes with alphanumeric

All rhymes →
Cite this entry
APA

alphanumeric. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/alphanumeric

MLA

“alphanumeric.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alphanumeric. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “alphanumeric,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/alphanumeric.

Source: alphanumeric on Wiktionary, CC BY-SA 4.0.