/ ˈprɒmlgeɪt; NAmE ˈprɑːm-/ verb [ vn ] ( formal )
1.
[ usually passive ] to spread an idea, a belief, etc. among many people
2.
to announce a new law or system officially or publicly
► pro·mul·ga·tion / ˌprɒmlˈgeɪʃn; NAmE ˌprɑːm-/ noun [ U ]
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WORD ORIGIN
mid 16th cent. (earlier (late 15th cent.) as promulgation ): from Latin promulgat- exposed to public view, from the verb promulgare , from pro- out, publicly + mulgere cause to come forth (literally to milk).