1. heavier-than-air - Adjective
2. heavier-than-air - Adjective Satellite
relating to an aircraft heavier than the air it displaces
Source: WordNetHeavier-than-air flying machines are impossible. William Thomson
Aeronautics main AEA Silver Dart ca. 1909 In 1891, Bell had begun experiments to develop motor-powered heavier-than-air aircraft. Source: Internet
In 1884, using a glider designed and built in 1883, Montgomery made the "first heavier-than-air human-carrying aircraft to achieve controlled piloted flight" in the Western Hemisphere. Source: Internet
Hybrid airships main A hybrid airship is a general term for an aircraft that combines characteristics of heavier-than-air (aeroplane or helicopter) and lighter-than-air technology. Source: Internet
In 1892, he turned to the new and unexplored field of heavier-than-air aircraft. Source: Internet
Comparison with heavier-than-air aircraft The advantage of airships over aeroplanes is that static lift sufficient for flight is generated by the lifting gas and requires no engine power. Source: Internet