We found 18 dictionaries that define the word siltstone:

General (14 matching dictionaries)

1. siltstone: Merriam-Webster
2. siltstone: Oxford Learner's Dictionaries
3. siltstone: American Heritage Dictionary of the English Language
4. siltstone: Collins English Dictionary
5. siltstone: Vocabulary.com
6. siltstone: Wordnik
7. siltstone: Wiktionary
8. siltstone: Infoplease Dictionary
9. siltstone: Dictionary.com
10. Siltstone: Wikipedia, the Free Encyclopedia
11. siltstone: Rhymezone
12. siltstone: FreeDictionary.org
13. siltstone: Mnemonic Dictionary
14. siltstone: TheFreeDictionary.com

Art (1 matching dictionary)

15. siltstone: ArtLex Lexicon of Visual Art Terminology

Computing (1 matching dictionary)

16. siltstone: Encyclopedia

Science (1 matching dictionary)

17. Siltstone: LITHICS-NET's Glossary of Lithics Terminology

Tech (1 matching dictionary)

18. siltstone: Canadian Soil Information System

(Note: See siltstones as well.)

Definitions from Wiktionary (siltstone) ▸ noun:  A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone. Similar: silt, metasiltstone, mudstone, gritstone, claystone, argillite, sandstone, freestone, tilestone, mudrock, more... Adjectives: calcareous, gray, red, sandy, laminated, grey, brown, interbedded, dolomitic, dark, green ▸ Words similar to siltstone ▸ Usage examples for siltstone ▸ Idioms related to siltstone ▸ Wikipedia articles (New!) ▸ Popular adjectives describing siltstone ▸ Words that often appear near siltstone ▸ Rhymes of siltstone ▸ Invented words related to siltstone