say it: pruh-TEK-shuh-niz-uhm
protectionism is a noun meaning "the policy of imposing duties or quotas on imports in order to protect home industries from overseas competition". It carries one recorded sense.
the policy of imposing duties or quotas on imports in order to protect home industries from overseas competition
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 protectionism 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.