noun Petrology. a process of deformation or metamorphism in
which the grains of a rock are fractured and rotated.
Origin: <
Greek katáklasis refraction, equivalent to
katakla-, stem of
kataklân to break off, refract, break down (
kata- cata- +
klân to break) +
-sis -sis; compare
Norwegian kataklasstruktur (1885)
Related forms