REDUKTOR (lotini geyis1og — ba aqib gardonanda), 1) mekhanizmi dandonador yo zanjiriest- baroi kam kardani surathoi kunjii navardi barandai moshin (muvofiqan ziyod kardani momenthoi charkhzani). 2) Jihozest baroi past kardan va yak khel nigoh doshtani fishori muhvi kori (gaz, bug yo moe) dar baromadgohi balon yo digar zarfi balandfishor.