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Definition of elvan in English:

elvan

noun

Geology

  • Hard intrusive igneous rock found in Cornwall, England, 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.’

Pronunciation

elvan

/ˈelvən/ /ˈɛlvən/

Origin

Early 18th century perhaps via Cornish from Welsh elfen ‘element’.