English definition of “development”
CHANGE [C, U] › when someone or something grows or changes and becomes more advanced: The nurse will do some tests to check on your child's development. There have been some major developments in technology recently.
MAKE [C, U] › when something new is made: the development of new drugs
START [U] › when something starts to happen or exist: Smoking encourages the development of cancer.
BUILD [U] › when new houses, factories, shops, etc, are built on an area of land: land suitable for development
BUILDINGS [C] › an area of land with new houses, factories, shops, etc on it: a new housing development
EVENT [C] › something new that happens and changes a situation: Have there been any more developments since I left?
PHOTOGRAPH [U] › when someone makes photographs from a film