chemtrail

American  

[kem-treyl] / ˈkɛmˌtreɪl /

noun

1. an alleged type of long-lasting contrail speculated to be purposefully impregnated, for covert purposes, with chemical or biological agents.

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Etymology

Origin of chemtrail

First recorded in 1985–90; chem(ical) ( def. ) + trail ( def. ), modeled on contrail ( def. )

Example Sentences

This episode seems to be Carlson’s first foray into the world of chemtrail conspiracy theories, but his arrival at the topic unfolded not by accident: At the start of the episode, he says that his team had spent six months trying to find a “serious, sane person with an engineering background” for the subject.

From Slate

And in some ways, Carlson’s amplification of chemtrail beliefs makes sense.

From Slate

Florida and Tennessee have passed laws banning geoengineering and weather modification, based on chemtrail conspiracy theories.

From Slate

Tune in for the alien angle, or the chemtrail pitch after the weather.

From Salon

But the idea evolved along the way, meaning today there are several strands of the chemtrail theory.

From BBC