Meaning of DEVELOPMENT in English
( n. )
The act of developing or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as a plan or method, or an image upon a photographic plate; gradual advancement or growth through a series of progressive changes; also, the result of developing, or a developed state.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012