Word.ws English Dictionary

X.

X. prefix: prefix used for CCITT-ratified (UN) international telecom standards on e-mail.

Prefix

X.

  1. prefix used for CCITT-ratified (UN) international telecom standards on e-mail

Questions about X.

What does X. mean?
X. means prefix used for CCITT-ratified (UN) international telecom standards on e-mail.
What part of speech is X.?
X. is a prefix.

Words near X. in the dictionary

  1. x-wings
  2. x-word
  3. x-words
  4. X-Y recorder
  5. X-Y recorders
  6. X.
  7. x.m.
  8. X/Windows
  9. X0 system
  10. X11
  11. X17 particle

Source and license

Adapted from Wiktionary: X. (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “X..” Word.ws, https://word.ws/x.. Based on Wiktionary, CC BY-SA 4.0.