Definition of metavolcanic in English:

metavolcanic

noun

Geology
  • A volcanic rock that has been subjected to metamorphism.

adjective

Geology
  • Designating, composed of, or belonging to such a rock.

Origin

1940s; earliest use found in Marland Billings (b. 1902). From meta- + volcanic [noun].

Pronunciation

metavolcanic

/ˌmɛtəvɒlˈkanɪk/