Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
dimmer [ˈdɪmər] n (also: dimmer switch) регуля́тор освещённости
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
dim [dɪm]
adj (outline, feeling, memory) сму́тный*сму́тен (light) ту́склый*тускл (room) пло́хо освещённый/освещён (eyesight) сла́бый*слаб (future, prospects) мра́чный*мра́чен (inf)(person) тупо́й*туп vt (also US) (light) приглуша́ть (приглуши́ть perf)
to take a dim view of sth неодобри́тельно смотре́ть*(impf) на что-н
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.