A washer is a thin flat ring of metal or rubber which is placed over a bolt before the nut is screwed on.
2. countable noun
A washer is the same as a washing machine.
[informal]
washer in British English
(ˈwɒʃə)
noun
1.
a person or thing that washes
2.
a flat ring or drilled disc of metal used under the head of a bolt or nut to spread the load when tightened
3.
any flat ring of rubber, felt, metal, etc, used to provide a seal under a nut or in a tap or valve seat
4. washing machine
5. chemical engineering
a device for cleaning or washing gases or vapours; scrubber
6. Australian
a face cloth; flannel
washer in American English
(ˈwɔʃər)
noun
1.
a person who washes
2.
a flat disk or ring of metal, leather, rubber, etc., used variously to make a seat for the head of a bolt or for a nutor faucet valve, to lock a nut in place, to provide a bearing surface, to serve as a seal, etc.
3.
a machine for washing something, as clothes or dishes
4.
a device for washing gases
washer in Chemical Engineering
(wɒʃər)
Word forms: (regular plural) washers
noun
(Chemical Engineering: General)
A washer is a piece of equipment for purifying a gas or vapor.
The circulated gas is separated from the residual sulfur in a sulfur washer.
The scrubber or washer is designed to extract the ammonia from the gas.
A washer is a piece of equipment for purifying a gas or vapor.
Word builder-erThe suffix -er often appears in words for devices, pieces of equipment or substances that carryout a particular function.
washer in Mechanical Engineering
(wɒʃər)
Word forms: (regular plural) washers
noun
(Mechanical engineering: General)
A washer is a flat ring of metal put under the head of a bolt or nut to spread the load when the bolt or nut is tightened.
Put washers under the bolts to prevent damage to the surface being fixed.
If a faucet is dripping, you need to replace the washer.
A washer is a flat ring of metal put under the head of a bolt or nut to spread the load whenthe bolt or nut is tightened.
Examples of 'washer' in a sentence
washer
Clean up for spring with this fully mobile pressure washer kit.
Times, Sunday Times (2009)
This mobile pressure washer will enable you to effortlessly solve tough outdoor cleaning jobs.
Times, Sunday Times (2009)
This compact pressure washer is small enough to carry but really packs a punch.
The Sun (2016)
So why not let this car pressure washer do all of the hard work for you?
The Sun (2015)
This fully mobile pressure washer will enable you to effortlessly solve difficult outdoor cleaning jobs.
Times, Sunday Times (2008)
No joy from my pressure washer.
Times, Sunday Times (2008)
Remove the brass holding ring and inside you'll find the rubber washer.
Times, Sunday Times (2008)
To address this, give it a quick blast with a pressure washer under the car.
Times, Sunday Times (2009)
For the rest of us, the pressure washer is good news.
Times, Sunday Times (2010)
A pressure washer is also suitable for this purpose.
Times, Sunday Times (2013)
I doubt the French would put it in their windscreen washer bottles.
Times, Sunday Times (2006)
I had a decent pressure washer and spent my last 250 on a little pickup truck.
The Sun (2016)
A neat little pressure washer that can be tucked away in a corner once you've finished blasting the mould off your patio and furniture.
Times, Sunday Times (2016)
In other languages
washer
British English: washer NOUN
A washer is a thin flat ring of metal or rubber which is placed over a bolt before the nut is screwed on.