the film industry, esp. the U.S. film industry, regarded as a sphere or domain
filmdom in American English
(ˈfɪlmdəm)
noun
the motion-picture industry
Also called: moviedom, screenland
Word origin
[1910–15; film + -dom]This word is first recorded in the period 1910–15. Other words that entered Englishat around the same time include: carbon cycle, cat and mouse, functionalism, homeroom, payoff-dom is a suffix forming nouns which refer to domain (kingdom), collection of persons (officialdom), rank or station (earldom), or general condition (freedom)