backwash

Definitions

  • WordNet 3.6
    • n backwash the wave that spreads behind a boat as it moves forward "the motorboat's wake capsized the canoe"
    • n backwash the consequences of an event (especially a catastrophic event) "the aftermath of war","in the wake of the accident no one knew how many had been injured"
    • n backwash the flow of air that is driven backwards by an aircraft propeller
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Webster's Revised Unabridged Dictionary
    • backwash (Chem) To clean (a filter, a chromatography column, a water softener, etc.) by passing liquid through in the reverse of the normal direction of flow. This procedure dislodges particles which clog the pores of the filter or column packing, removing them from the filter or column.
    • backwash To clean the oil from (wool) after combing.
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Century Dictionary and Cyclopedia
    • backwash To cleanse from oil, as wool after combing.
    • backwash To subject to the back-wash of a boat which is ahead or is passing.
    • n backwash In worsted manuf., a process of cleaning the carded sliver of wool by passing it through hot suds.
    • n backwash The disturbed water thrown aft by the action of the oars, paddle-wheels, or propeller of a boat.
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Usage

In literature:

It is the thing they are thinking, and doing, and learning in Backwash, Nebraska, that marks time for these United States.
"Fanny Herself" by Edna Ferber
There was a log craft at the surf edge, with a kid playing beside it, his reflection perfect in the long backwash.
"From Edinburgh to India & Burmah" by William G. Burn Murdoch
There's not a corner where you don't feel the backwash of a storm of some sort.
"The Privet Hedge" by J. E. Buckrose
There was a crash, and she swung clear with the backwash, with all one side smashed in.
"Masters of the Wheat-Lands" by Harold Bindloss
The backwash of civilization in the Orient is not our concern.
"Peking Dust" by Ellen N. La Motte
I must write you of what I have seen, the other side, the backwash.
"The Backwash of War" by Ellen N. La Motte
We have been caught in time's backwash.
"The Day Time Stopped Moving" by Bradner Buckner
The craft yielded to the impulse and drove lurching among the backwash.
"Lorimer of the Northwest" by Harold Bindloss
There was a crash, and she swung clear with the backwash, with all one side smashed in.
"Hawtrey's Deputy" by Harold Bindloss
Before he could call out a warning, the thing hurtled by, so close that its backwash very nearly knocked him from the bird's back.
"David and the Phoenix" by Edward Ormondroyd
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In poetry:

The country washes to my door
Green miles on miles in soft uproar,
The thunder of the woods, and then
The backwash of green surf again.
"The Old Love" by Katharine Tynan

In news:

The Benefits of Backwash Water.
H2Zero Backwash/Recycle Systems conserve water by storing and treating contaminated backwash water from filtration and treatment systems.
The H2Zero recycle backwash systems conserve water by storing and treating contaminated backwash water from filtration and treatment systems.
Filter Underdrain Blocks Improve Backwash Efficiency.
Wild West MSM mail NRA backwash.
BBC executives step aside in backwash of sex abuse scandal.
However, media expansion can only be caused by sludge and mud accumulation resulting from ineffective backwashing .
This dual backwash action provides intense and extremely effective backwashing of the filter media.
It was recommended that air scouring be introduced into the backwashing process.
Wild West MSM mail NRA backwash .
In addition to the backwash supply system, the company also provided an H2Zero recycle backwash system that reclaims 100% of the settled backwash water.
The Tetra Snap T underdrain filter block promotes stability of the block position during backwash procedures.
Continuous backwash sand filter meets demands of Florida treatment plant.
BBC executives step aside in backwash of sex abuse scandal .
WaterCare 's Ion Pro® Iron (IPPE) and Sulfur (IPHS) backwashing filters are now equipped with the inch-worm feature.
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