| NOUN | object | contrail, condensation trail | an artificial cloud created by an aircraft |
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| Meaning | An artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust. | |
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| Synonym | condensation trail | |
| Broader | cloud | A visible mass of water or ice particles suspended at a considerable altitude |
| Spanish | estela | |
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