Word.ws English Dictionary

3-2-1

3-2-1 adjective: following the mnemonic "3-2-1 rule" for data archiving and protection: three copies of a piece of data are created, using two different types of media, and one is stored offsite.

Adjective

3-2-1 (not comparable)

  1. (relational) Following the mnemonic "3-2-1 rule" for data archiving and protection: three copies of a piece of data are created, using two different types of media, and one is stored offsite.
    • 3-2-1 backup

Forms of 3-2-1

alternative form3+2+1

Questions about 3-2-1

What does 3-2-1 mean?
3-2-1 means following the mnemonic "3-2-1 rule" for data archiving and protection: three copies of a piece of data are created, using two different types of media, and one is stored offsite.
What part of speech is 3-2-1?
3-2-1 is an adjective.

Words near 3-2-1 in the dictionary

  1. 3 Kgs
  2. 3 Kings
  3. 3 Lions
  4. 3-1-1
  5. 3-1-3
  6. 3-2-1
  7. 3-3-3 rule
  8. 3-card monte
  9. 3-clause
  10. 3-D
  11. 3-D printer

Source and license

Adapted from Wiktionary: 3-2-1 (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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