Definition of metataxis in US English:

metataxis

noun

Geology
historical
  • Metamorphism in which there is mechanical or physical change, as in slaty cleavage.

Origin

Late 19th century. From meta- + ancient Greek τάξις; apparently coined as an alternative term to metastasis. Compare metataxic.

Pronunciation

metataxis

/ˌmɛtəˈtaksɪs/