A darkroom is a room which can be sealed off from natural light and is lit only by red light. It is used for developing photographs. a special room with only red light or no light, where film from a camera is made into photographs
A room where photographs are developed and printed sufficiently dark to handle light-sensitive materials without causing unwanted exposure
A room in which total darkness is achievable, permitting light-sensitive materials such as film to be handled without fear of their exposure to light