Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Finely ground rock particles produced by glacial abrasion.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Fine-grained,
silt -sizedparticles ofrock generated bymechanical grinding ofbedrock byglacial erosion orartificially .
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reesetee commented on the word rock flour
See glacial flour.
November 18, 2008