say it: FUR-tuh-lahy-zur
fertilizer is a noun meaning "any substance such as manure or a mixture of nitrates used to make soil more fertile". It carries one recorded sense.
any substance such as manure or a mixture of nitrates used to make soil more fertile
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 fertilizer 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.