contrail, condensation trail
(noun) 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
Source: WordNet® 3.1
contrail (plural contrails)
An artificial cloud made by the exhaust of jet aircraft or wingtip vortices that precipitate a stream of tiny ice crystals in moist, frigid upper air.
• condensation trail
• vapour trail (UK), vapor trail (US)
• cilantro, crotalin
Source: Wiktionary
11 February 2025
(noun) shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
