say it: dahy-A-struh-fiz-uhm
diastrophism is a noun meaning "the process of deformation that produces continents and ocean basins in the earth's crust". It carries one recorded sense.
the process of deformation that produces continents and ocean basins in the earth's crust
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for diastrophism come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.