(spectroscopy) The measurement of the time taken by an object, particle or wave to travel a distance through a medium.

(politics, dated) A form of extrajudicial killing done by military forces in possession of aircraft by which victims are dropped to their death from airplanes or helicopters into oceans, large rivers or mountains.

(aviation) A system of a narrow horizontal and vertical bar overlaid on an aircraft's attitude indicator; the bars deflect to provide guidance as to the pitch and roll inputs required to maintain the desired flightpath.

plural of flight director

Synonym of bomber jacket

(aviation, countable) A system for controlling an aircraft's rotational or translational motion in one or more axes.

(economics) The rapid flow of money or assets out of a country in response to globalization or some other economic event.

(US, urban studies) The migration of African Americans from predominantly black or mixed inner-city areas to suburbs and newly constructed homes on the outer edges of cities.

plural of flight control

(historical, aviation, occupations) The predecessor to flight attendants, who were registered nurses.