Meaning of DARKROOM in English
/dahrk"roohm', -room'/ , n. Photog.
a room in which film or the like is made, handled, or developed and from which the actinic rays of light are excluded.
[ 1835-45; DARK + ROOM ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012