We found 12 dictionaries that define the word base level:

General (7 matching dictionaries)

1. base level: American Heritage Dictionary of the English Language
2. base level: Collins English Dictionary
3. base-level: Wordnik
4. base level: Infoplease Dictionary
5. base level: Dictionary.com
6. Base level: Wikipedia, the Free Encyclopedia
7. base level: TheFreeDictionary.com

Computing (2 matching dictionaries)

8. base level, Base level: Encyclopedia

Science (2 matching dictionaries)

9. Botanical Terms (No longer online)
10. Illustrated Glossary of Geologic Terms (No longer online)

Tech (1 matching dictionary)

11. Lake and Water Word Glossary (No longer online)

Definitions from Wikipedia (Base level) ▸ noun:  In geology and geomorphology a base level is the lower limit for an erosion process. Types: ultimate base level, local base level, regional base level, eustatic base level, relative base level, more... Phrases: at base level, more... ▸ Words similar to base level ▸ Usage examples for base level ▸ Idioms related to base level ▸ Wikipedia articles (New!) ▸ Words that often appear near base level ▸ Rhymes of base level ▸ Invented words related to base level