We found 13 dictionaries that define the word rock flour:

General (9 matching dictionaries)

1. rock flour: Merriam-Webster
2. rock flour: Oxford Learner's Dictionaries
3. rock flour: American Heritage Dictionary of the English Language
4. rock flour: Collins English Dictionary
5. rock-flour: Wordnik
6. rock flour: Wiktionary
7. rock flour: Dictionary.com
8. Rock flour: Wikipedia, the Free Encyclopedia
9. rock flour: TheFreeDictionary.com

Business (1 matching dictionary)

10. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

11. rock flour: Encyclopedia

Science (1 matching dictionary)

12. Illustrated Glossary of Geologic Terms (No longer online)

Tech (1 matching dictionary)

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

Definitions from Wiktionary (rock flour) ▸ noun:  Fine-grained, silt-sized particles of rock generated by mechanical grinding of bedrock by glacial erosion or artificially. Similar: glacial flour, grus, mudrock, stonemeal, gritstone, gritrock, hälleflinta, gravel, rimrock, granulite, more... ▸ Words similar to rock flour ▸ Usage examples for rock flour ▸ Idioms related to rock flour ▸ Wikipedia articles (New!) ▸ Words that often appear near rock flour ▸ Rhymes of rock flour ▸ Invented words related to rock flour