Diffusing Capacity. 1  Diseases associated with increased pulmonary blood flow (e.g., left-to-right intracardiac shunts) 2  Diseases associated with polycythemia. 3  Exercise. 4  Pulmonary hemorrhage. 5  DLCO, diffusing capacity of carbon monoxide.
arrow - a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow arrowhead - the pointed head or striking tip of an arrow bow and arrow - a weapon consisting of arrows and the bow to shoot them
verb. Two darts stuck in a dartboard. Two darts stuck in a dartboard. The definition of a dart is a small pointed missile with feathers at the rear which is used in target practice, or a quick movement.1  An example of a dart is what people throw at a bulls eye on a board.plural darts). 1  A pointed missile weapon, intended to be thrown by the hand; a short lance; a javelin; any sharp-pointed missile weapon, as an arrow. 2  Anything resembling such a pointed missile weapon; anything that pierces or wounds like such a weapon. 3  A sudden or fast movement.