Word.ws English Dictionary

MSL

MSL is the initialism of mean sea level.

MSL is the initialism of maritime/marine security.

MSL is the initialism of Mars Science Laboratory.

Meaning of mean sea level

Noun

mean sea level (countable and uncountable, plural mean sea levels)

  1. The mean altitude of the ocean surface, averaged over all high and low tides at a particular location.
    Synonyms:
    MSL

Origin of MSL

Abbreviation.

Questions about MSL

What is MSL the initialism of?
MSL is the initialism of mean sea level.

Words near MSL in the dictionary

  1. MSIs
  2. MSiSs
  3. MSJ
  4. MSJs
  5. MSK
  6. MSL
  7. MSLP
  8. MSLS
  9. MSM
  10. MSMA
  11. MSME

Source and license

Adapted from Wiktionary: MSL (page history and authors); mean sea level (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.

Last updated:

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