hornfels
Meanings
noun
- Any of a series of contact metamorphic rocks that have been baked and indurated by the heat of intrusive igneous masses and rendered massive, hard, splintery, and in some cases exceedingly tough and durable.
Pronunciation
Word forms
Etymology
Borrowed from German Hornfels, literally "horn stone", after its frequent association with glacial "horn peaks" in the Alps.
Derived words
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