say it: san-uh-TAY-shuhn
sanitation is a noun meaning "the state of being clean and conducive to health". It carries 2 recorded senses.
the state of being clean and conducive to health
making something sanitary (free of germs) as by sterilizing
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 sanitation 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.