Word forms: plural, 3rd person singular presenttense foams, present participle foaming, past tense, past participle foamed
1. uncountable noun
Foam consists of a mass of small bubbles that are formed when air and a liquid are mixed together.
The water curved round the rocks in great bursts of foam.
Synonyms: froth, spray, bubbles, lather More Synonyms of foam
2. variable noun
Foam is used to refer to various kinds of manufactured products which have a soft, light texture like a thick liquid.
...shaving foam.
3. variable noun
Foam or foam rubber is soft rubber full of small holes which is used, for example, to make mattresses and cushions.
...modern three-piece suites filled with foam rubber.
We had given him a large foam mattress to sleep on.
4. verb
If a liquid foams, it is full of small bubbles and keeps moving slightly.
I let the water run into it and we watched as it foamed and bubbled. [VERB]
...ravines with foaming rivers rushing through them. [VERB-ing]
Synonyms: bubble, boil, fizz, froth More Synonyms of foam
5.
See foam at the mouth
foam in British English
(fəʊm)
noun
1.
a mass of small bubbles of gas formed on the surface of a liquid, such as the froth produced by agitating a solution of soap or detergent in water
2.
frothy saliva sometimes formed in and expelled from the mouth, as in rabies
3.
the frothy sweat of a horse or similar animal
4.
a.
any of a number of light cellular solids made by creating bubbles of gas in the liquid material and solidifying it: used as insulators and in packaging
b.
(as modifier)
foam rubber
foam plastic
5.
a colloid consisting of a gas suspended in a liquid
6.
a mixture of chemicals sprayed from a fire extinguisher onto a burning substance to create a stable layer of bubbles which smothers the flames
7. a poetic word for the sea
verb
8.
to produce or cause to produce foam; froth
9. (intransitive)
to be very angry (esp in the phrase foam at the mouth)
Derived forms
foamless (ˈfoamless)
adjective
foamlike (ˈfoamˌlike)
adjective
Word origin
Old English fām; related to Old High German feim, Latin spūma, Sanskrit phena
foam in American English
(foʊm)
noun
1.
the whitish mass of bubbles formed on or in liquids by agitation, fermentation, etc.
2.
something like foam, as the heavy sweat of horses, or frothy saliva
3. OLD-FASHIONED, Poetic
the sea
4.
a kind of colloid in which a gas is suspended in a liquid or solid matter, having a texture ranging from soft and liquid, as whipped cream, to firm and elastic, as foam rubber
see also gel (sense 1)
verb intransitive
5.
to form, produce, or gather foam; froth
verb transitive
6.
to cause to foam
Idioms:
foam at the mouth
Derived forms
foamless (ˈfoamless)
adjective
Word origin
ME fom < OE fam, akin to Ger feim, scum < IE base *(s)poimno-, foam > Sans phḗna-, L spuma
foam in Chemical Engineering
(foʊm)
Word forms: (regular plural) foams
noun
(Chemical Engineering: General)
A foam is a suspension of a gas in a liquid or solid.
The foam is formed by mixing the aqueous solution containing the fluorochemical surfactantwith a gas such as carbon dioxide or nitrogen.
Air bubbles through the liquid and forms a foam.
A foam is a suspension of a gas in a liquid or solid.
foam in the Pharmaceutical Industry
(foʊm)
Word forms: (regular plural) foams
noun (count) (noncount)
(Pharmaceutical: Dosage forms)
Foam, or a foam, is a drug delivery system consisting of a mass of small bubbles, usually applied to the skin.
A light foam can be applied to treat a variety of dry skin conditions.
Apply the foam directly to the wound. Do not spray it on the hands or the bubbles will disappeartoo quickly.
Foam is a drug delivery system consisting of a mass of small bubbles, usually appliedto the skin.
More idioms containing
foam
foam at the mouth
Examples of 'foam' in a sentence
foam
He didn't so much bite the hand that fed him as tear it off with bared fangs and foaming mouth.
Times, Sunday Times (2017)
There's also a luxurious bathroom, cosy bedroom with double bed and a pullout memory foam mattress under the couch.
The Sun (2016)
Conventional running shoes normally feature a foam or gel layer in the sole.
Times, Sunday Times (2013)
Add the egg white foam to the froth.
The Sun (2012)
They were both foaming at the mouth.
The Sun (2009)
Within two hours we ended up at a foam party.
The Sun (2016)
Valleys looked like they were full of shaving foam as they filled with fog.
Times, Sunday Times (2008)
Cheap foam mattresses are less comfortable than sprung ones and will wear less well.
Times, Sunday Times (2006)
The jab left her foaming at the mouth.
The Sun (2015)
Wearing a soft foam rubber collar at night can help.
Times, Sunday Times (2006)
He tried to get to his feet before slumping to the ground again foaming at the mouth.
The Sun (2012)
The same holds for carpet pads, especially if they are made of foam rubber.
Randolph, Theron G. & Moss, Ralph W. (contributor) An Alternative Approach to Allergies (1990)
For added comfort, it has an ankle collar with memory foam and a toe bumper.
Times, Sunday Times (2012)
Maybe put a bit of padding under there too, some carpet or foam rubber.
Times, Sunday Times (2013)
YOU'RE out of shaving foam and can't get to the shops.
The Sun (2006)
This puppetry show starring a hunk of mattress foam is a fast-moving hoot.
Times, Sunday Times (2015)
At least it's a bit more arty than a foam finger.
The Sun (2013)
I noticed a pit in the floor filled with cubes of foam rubber.
The Sun (2010)
Thick foam glass insulation means the steel won't turn into an oven in summer or a freezer in winter.
Times, Sunday Times (2015)
I'm saving for a bed with a memory foam mattress which gives full support to the spinal area.
The Sun (2012)
With memory foam that moulds to your feet, you'll want to wear them all the time.
The Sun (2015)
In other languages
foam
British English: foam NOUN
Foam consists of a mass of small bubbles that are formed when air and a liquid are mixed together.
The water curved round the rocks in great bursts of foam.
American English: foam
Brazilian Portuguese: espuma
Chinese: 泡沫 >橡胶
European Spanish: espuma
French: écume
German: Schaum
Italian: schiuma
Japanese: 泡
Korean: 물거품
European Portuguese: espuma
Latin American Spanish: espuma
All related terms of 'foam'
foam bath
→ another name for bubble bath
sea foam
foam formed on the surface of the sea
foam-backed
having a backing made of foam rubber
foam glass
cellular glass made by fusing powdered glass with carbon particles or other gas-generating material, used chiefly for industrial purposes
foam piping
Foam piping is a system of tubes which delivers a mass of very small bubbles to the base of tanks for protection from fire.
foam rubber
a kind of light cellular rubber made by creating bubbles of gas in the liquid material and solidifying it: often used as packaging
memory foam
a polyurethane-containing material that adapts to the contours of the body, making it useful in supportive pillows , mattresses , soles and so on
foam plastic
a kind of light cellular plastic made by creating bubbles of gas in the liquid material and solidifying it: often used as an insulator
foam sprayer
a portable device for extinguishing fires, usually consisting of a canister with a directional nozzle used to direct a spray of water, chemically generated foam , inert gas, or fine powder onto the fire
plastic foam
lightweight cellular foam , used esp for insulation or as a packing material
shaving foam
a soft soapy substance which you put on your face or body before removing hair with a razor
syntactic foam
any of several buoyant materials made up of tiny hollow spheres embedded in a surrounding plastic
foam at the mouth
If you say that someone is foaming at the mouth , you mean that they are very angry .
Chinese translation of 'foam'
foam
(fəum)
n(u)
(on liquid, soap, beer, coffee) 泡沫 (pàomò)
(also foam rubber) 泡沫橡胶(膠) (pàomò xiàngjiāo)
vi
[soapy water, champagne]起泡沫 (qǐ pàomò)
to be foaming at the mouth (fig) 大怒 (dànù)
(noun)
Definition
a mass of small bubbles of gas formed on the surface of a liquid
The water curved round the rock in bursts of foam.
Synonyms
froth
the froth on the top of a glass of beer
spray
bubbles
lather
I wiped off the lather with a towel.
suds
spume
head
(verb)
Definition
to produce or cause to produce foam
We watched the water foam and bubble.
Synonyms
bubble
The fermenting tea bubbled over the top.
boil
I stood in the kitchen, waiting for the water to boil.
fizz
She was holding a tray of glasses that fizzed.
froth
The sea froths over my feet.
lather
The shampoo lathers so much it's difficult to rinse it all out.
effervesce
These tablets effervesce when water is added.
idiom
See foam at the mouth or be foaming at the mouth
Additional synonyms
in the sense of boil
Definition
to bubble and be agitated like something boiling
I stood in the kitchen, waiting for the water to boil.
Synonyms
simmer,
bubble,
foam,
churn,
seethe,
fizz,
froth,
effervesce
in the sense of effervesce
These tablets effervesce when water is added.
Synonyms
bubble,
sparkle,
foam,
fizz,
ferment,
froth
in the sense of fizz
Definition
(of a drink) to produce bubbles of carbon dioxide
She was holding a tray of glasses that fizzed.
Synonyms
bubble,
froth,
fizzle,
effervesce,
produce bubbles
Synonyms of 'foam'
foam
Explore 'foam' in the dictionary
Additional synonyms
in the sense of lather
Definition
foam formed by soap or detergent in water
I wiped off the lather with a towel.
Synonyms
froth,
soap,
bubbles,
foam,
suds,
soapsuds
in the sense of lather
Definition
to form a lather
The shampoo lathers so much it's difficult to rinse it all out.