Definition of elvan in English:

elvan

Syllabification: el·van
Pronunciation: /ˈelvən
 
/

noun

Geology
Hard intrusive igneous rock found in Cornwall, England, typically quartz porphyry.
More example sentences
  • 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.

Origin

early 18th century: perhaps via Cornish from Welsh elfen 'element'.

Definition of elvan in:

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Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up