say it: deh-gruh-DAY-shuhn
degradation is a noun meaning "changing to a lower state (a less respected state)". It carries 2 recorded senses.
changing to a lower state (a less respected state)
a low or downcast state
“each confession brought her into an attitude of abasement”
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 degradation 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.