What is "heavier-than-air"

Usage examples of "heavier-than-air".

Heavier-than-air planes were developed primarily to destroy dirigible bombers, and did so very effectively.

He had practiced enough in boyhood, in the tiny gliders levitated by small matrixes and soaring on the air currents around the Lake of Hali, to be aware of the elementary principles of heavier-than-air flight, but it was incredible to him that a matrix circle, a group of close-linked telepath minds, could charge a battery strongly enough to power such enormous turbines.

Next only to the Butteridge machine, these were certainly the most efficient heavier-than-air fliers that had ever appeared.

This time casual inspection was possible only from altitude, as the presence of large numbers of heavier-than-air craft was detected.

It was of all-metal construction and could out-speed many heavier-than-air craft that were considered suitable for pursuit and fighting ships.

A battery of rocket tubes were attached, and could, for short periods of time, give the craft a speed hardly equalled by the fastest of heavier-than-air craft.

It housed an assortment of heavier-than-air craft as remarkable as the ultra-modern land vehicles garaged in the basement of Doc's skyscraper headquarters.

While his brother Wilbur (1867-1912) observed, Orville Wright (1871-1948) made history's first piloted, powered, sustained, and controlled flight in a heavier-than-air craft on December 17.

Caroline thought of her, fondly, as a little girl, playing in the grounds of the chateau as Caroline herself had once played in the last years of the old century that seemed, in this age of telephones and automobiles and heavier-than-air craft, a millennium ago.

They once said that heavier-than-air craft could never fly under their own power, and for many years it was believed that the sound barrier was so absolute, its vibrations would tear an airplane apart.

He could see what looked like a pyroclastic flow, a heavier-than-air mix of gases and hot volcanic fragments.