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An aerial view of farmland. The definition of aerial is something that is in or from the air. An example of something that is aerial is a picture taken from a helicopter. aerial. aerial.
plural altitudes. Learner's definition of ALTITUDE. : the height of something (such as an airplane) above the level of the sea. [count] We're now flying at an altitude [=height] of 10,000 feet. the air temperature at different altitudes. Some visitors find it difficult to adjust to the city's high altitude.