aviation

n. science of flying aircraft

Aviation refers to all activities involving the operation of heavier-than-air aircraft, machines designed for atmospheric flight. The term also describes the organizations and regulatory bodies as well as the personnel related with the operation of aircraft and the industries involved in airplane manufacture, development, and design.
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Noun
1. the aggregation of a country's military aircraft
(synonym) air power
(hypernym) collection, aggregation, accumulation, assemblage
(classification) military, armed forces, armed services, military machine, war machine
2. the operation of aircraft to provide transportation
(hypernym) industry
(derivation) fly, aviate, pilot
3. the art of operating aircraft
(synonym) airmanship
(hypernym) art, artistry, prowess
(derivation) fly, aviate, pilot
4. travel via aircraft; "air travel involves too much waiting in airports"; "if you've time to spare go by air"
(synonym) air travel, air
(hypernym) travel, traveling, travelling
(hyponym) flight, flying
(class) pass over, overfly

n. aviation, flying, flight; air force

(n.)
The art or science of flying.