We found 29 dictionaries that define the word sea level:

General (21 matching dictionaries)

1. sea level: Longman Dictionary of Contemporary English
2. sea level: Merriam-Webster
3. sea level: Oxford Learner's Dictionaries
4. sea level: American Heritage Dictionary of the English Language
5. sea level: Collins English Dictionary
6. sea-level, sea level: Vocabulary.com
7. Sea-Level, Sea-level, sea-level, sea level: Wordnik
8. sea level: Cambridge Advanced Learner's Dictionary
9. sea level: Wiktionary
10. sea level: The Wordsmyth English Dictionary-Thesaurus
11. sea level: Infoplease Dictionary
12. sea-level, sea level: Dictionary.com
13. Sea Level (album), Sea Level (band), Sea Level, Sea-level, Sea level (disambiguation), Sea level: Wikipedia, the Free Encyclopedia
14. Sea level: Online Plain Text English Dictionary
15. sea-level, sea level: Rhymezone
16. Sea level: AllWords.com Multi-Lingual Dictionary
17. sea-level, sea level: FreeDictionary.org
18. sea-level, sea level: TheFreeDictionary.com
19. sea-level, sea level: Mnemonic Dictionary

Business (1 matching dictionary)

20. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

21. sea-level, sea level: Encyclopedia

Science (3 matching dictionaries)

22. Archaeology Wordsmith (No longer online)
23. Atmospheric Chemistry and Air Quality (No longer online)
24. Weather Glossary (No longer online)

Tech (3 matching dictionaries)

25. Glossary of Meteorology (No longer online)
26. Lake and Water Word Glossary (No longer online)
27. Sea Level: Latitude Mexico

(Note: See sea_levels as well.)

Definitions from Wiktionary (sea level) ▸ noun:  The nominal height of the surface of the oceans above which heights of geographical features and aircraft flight levels are measured. Similar: low-lying, lowland, water level, altitude, flight level, level, groundwater level, ground level, elevation, chart datum, more... Opposite: elevation, altitude, height, above selevel Phrases: mean sea level, sea level pressure, Eustatic sea level, mean sea level (msl), mean sea level pressure, more... Adjectives: neap, out, watershed, ebb, in, aeger, distributary, tided, eagre, inundated, tributary ▸ Words similar to sea level ▸ Usage examples for sea level ▸ Idioms related to sea level ▸ Wikipedia articles (New!) ▸ Words that often appear near sea level ▸ Rhymes of sea level ▸ Invented words related to sea level