Found 2 hits - Term: pitchstone, Database: *, Strategy: exact
- [1] : The Collaborative International Dictionary of English v.0.48
pitchstone \pitch"stone`\, n. geol.
an igneous rock of semiglassy nature, having a luster like
pitch.
1913 webster
- [2] : WordNet (r) 2.0
pitchstone
n : dark acid granitic glass
Results 1 - 1 of 1 found about pitchstone: Pitchstone
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Pitchstone, definition of term: Pitchstone
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