Definition of "plumes" []

• Plural form of plume. (noun)

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• "The key caveat here, is that although these microbes are happy and hungry next to the brine pools, they might not be in the oil and gas plumes from the BP well, or away from the mussels they live with."
• "The scent of honey drifted up, bee hum swelled, and the smoke meant to calm the bees rose in plumes all around us."
• "The methane appears to have been produced in plumes from certain areas on Mars as temperatures warmed, they said."