say it: SIN-uh-muh
cinema is a noun meaning "a medium that disseminates moving pictures". It carries 2 recorded senses.
a medium that disseminates moving pictures
“theater pieces transferred to celluloid”
“this story would be good cinema”
“film coverage of sporting events”
art · commercial enterprise
a theater where films are shown
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 cinema 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.