We found 18 dictionaries that define the word c horizon:

General (14 matching dictionaries)

1. C horizon: Merriam-Webster
2. C horizon: American Heritage Dictionary of the English Language
3. C horizon: Collins English Dictionary
4. C-horizon, C horizon: Vocabulary.com
5. C-horizon: Webster's New World College Dictionary, 4th Ed.
6. C horizon: The Wordsmyth English Dictionary-Thesaurus
7. C horizon: Infoplease Dictionary
8. C horizon, c-horizon: Dictionary.com
9. C horizon: Wikipedia, the Free Encyclopedia
10. C-horizon, C horizon: Rhymezone
11. c-horizon, c horizon: FreeDictionary.org
12. c-horizon, c horizon: Mnemonic Dictionary
13. C-horizon, C horizon: TheFreeDictionary.com
14. C horizon: Merriam-Webster

Computing (1 matching dictionary)

15. C-horizon, C horizon: Encyclopedia

Science (1 matching dictionary)

16. Botanical Terms (No longer online)

Tech (2 matching dictionaries)

17. C horizon: Canadian Soil Information System
18. Lake and Water Word Glossary (No longer online)

(Note: See c_horizons as well.)

Definitions from WordNet (C horizon) ▸ noun:  beneath the B-horizon and above the bedrock; consisting of weathered rock ▸ Words similar to c horizon ▸ Usage examples for c horizon ▸ Idioms related to c horizon ▸ Wikipedia articles (New!) ▸ Words that often appear near c horizon ▸ Rhymes of c horizon ▸ Invented words related to c horizon