blowdownDefinition of blowdown noun [mass noun] 1North American trees that have been blown down by the wind: [count noun]:he tramped miles through blowdowns after the hurricane the blowing down of a tree or trees: blowdown occurs when soil and root balls can’t resist wind pressure 2the removal of solids or liquids from a container or pipe using pressure: [as modifier]:designs had to withstand blowdown conditionsblowdown in other Oxford dictionaries Definition of blowdown in the US English dictionary
