<p><strong>Noun</strong></p><ul><li>an act or instance of dropping out</li><li>a student who withdraws before completing a course of instruction</li><li>a student who withdraws from high school after having reached the legal age to do so</li><li>a person who withdraws from established society, especially to pursue an alternate lifestyle</li><li>a person who withdraws from a competition, job, task, etc.: the first dropout from the presidential race</li><li>Rugby: a drop kick made by a defending team from within its own 25-yard (23-meter) line as a result of a touchdown or of the ball's having touched or gone outside of a touch-in-goal line or the dead-ball line</li><li>Printing, Photography: a halftone negative or plate in which dots have been eliminated from highlights by continued etching, burning in, opaquing, or the like</li><li>dropout error: the loss of portions of the information on a recorded magnetic tape due to contamination of the magnetic medium or poor contact with the tape heads</li></ul>