Search Result for "katamorphism": 
Wordnet 3.0

NOUN (1)

1. metamorphism that occurs at or near the earth's surface; breaks down complex minerals into simpler ones; 



WordNet (r) 3.0 (2006):

katamorphism
    n 1: metamorphism that occurs at or near the earth's surface;
         breaks down complex minerals into simpler ones [ant:
         anamorphism]