Definition of elvan in English:
noun[mass noun] Geology
Hard intrusive igneous rock found in Cornwall, typically quartz porphyry.
- Less frequently elvan has been met with in apparently isolated masses.
- Molybdenite and corundum are also found in the schist through which the elvan dykes have cut.
Early 18th century: perhaps via Cornish from Welsh elfen 'element'.
Definition of elvan in:
- US English dictionary
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