dark ‧ room /ˈdɑːkruːm, -rʊm $ ˈdɑːrk-/ BrE AmE noun [countable]
a special room with only red light or no light, where film from a camera is made into photographs
dark ‧ room /ˈdɑːkruːm, -rʊm $ ˈdɑːrk-/ BrE AmE noun [countable]
a special room with only red light or no light, where film from a camera is made into photographs
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012