vapour trail
noun
a visible trail left by an aircraft flying at high altitude or through supercold air, caused by the deposition of water vapour in the engine exhaust as minute ice crystals
Also called: condensation trail, contrail
Words nearby vapour trail
vapory,
vapour,
vapour density,
vapour lock,
vapour pressure,
vapour trail,
vapourer moth,
vaquero,
vaquez disease,
var,
var.