elvan
/ˈɛlv(ə)n
/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.
Origin
Early 18th century: perhaps via Cornish from Welsh elfen 'element'.
- pentagon-dodecahedron
- Pentagonese
- Pentagonian
- pentagonohedron
- pentagonoid
- pentagonous
- pentagram
- pentagrid
- Pentagynia
- pentahedral
- pentahedron
- pentahydrate
- pentahydrated
- pentahydric
- pentahydrite
- pentahydroborite
- pentahydrocalcite
- pentail
- pen-tailed
- Pentalogue
- pentalogy
- pentalophodont
- pentalpha
- pentamer
- pentameral