Definition of pyrometamorphism in English:

pyrometamorphism

noun

Geology
  • Metamorphism of rock caused solely by extreme heat, especially that resulting from contact of the rock with magma.

Origin

Mid 19th century; earliest use found in Samuel Haughton (1821–1897), geologist and physiologist. From pyro- + metamorphism.

Pronunciation

pyrometamorphism

/ˌpʌɪrəʊmɛtəˈmɔːfɪz(ə)m/