People Royals. Royals. Princess Diana's Death 18 Years Ago Today: PEOPLE's Royals Reporters Share the Tragedy and Chaos of That Awful Day. Just after midnight on August 31, 1997, news began to surface of a car crash involving the most-photographed and obsessed-over woman of her time: Princess Diana. Her tragic death at age 36 would send shock waves around the globe, and even 18 years later, it remains one of the major news events of the modern age.
laboratory definition: The definition of a laboratory is a place where experiments and testing are done. (noun) A room in a university where science experiments are performed is an example of a laboratory....
Definition of experiment for English Language Learners. : 1  a scientific test in which you perform a series of actions and carefully observe their effects in order to learn about something. : 2  something that is done as a test : something that you do to see how well or how badly it works.