You searched for: “disposal wells”
disposal well (s) (noun), disposal wells (pl)
A hole dug in the ground for the safe storage of waste materials from various chemical industries: The oil company used the old disposal wells to store toxic wastes.
This entry is located in the following unit: pon-, posit-, pos-, -poning, -poned, -ponency, -ponent, -ponement, -pound (page 3)