Pronunciation: /ˈkɛmˌtreɪl/
noun a visible trail left in the sky by an aircraft and believed by some to consist of chemical or biological agents released as part of a covert operation
A1 What is a chemtrail?
A2 Some people believe that chemtrails are harmful to the environment.
B1 There is a debate among scientists about the existence and effects of chemtrails.
B2 Pilots have reported seeing unusual chemtrail patterns in the sky.
C1 The government has denied any involvement in the creation of chemtrails.
C2 Researchers are conducting studies to determine the composition and impact of chemtrails on the atmosphere.
formal There is a debate among scientists about the existence and effects of chemtrails in the atmosphere.
informal Some people believe that chemtrails are responsible for changing the weather.
slang I saw a video online claiming that chemtrails are actually a government conspiracy.
figurative The chemtrails of doubt lingered in her mind, casting shadows on her beliefs.
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