foam

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foam

  • /ˈfəʊ̯m/ UK
  • [ˈfəʊ̯m] UK
  • /ˈfɔʊ̯m/ US
  • [ˈfɔʊ̯m] US

Rhymes with -əʊm

Where it comes from

From Middle English fom, foom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic *faimaz, from Proto-Indo-European *(s)poHy-m-os, from *(s)poH(y)- (“foam”). Cognate with German Feim (“foam”), Latin spūma (“foam”), Latin pūmex (“pumice”), Sanskrit फेन (phéna, “foam”), possibly Northern Kurdish fê (“epilepsy”).

noun foams

  1. countable, uncountable A substance composed of a large collection of bubbles or their solidified remains, especially Similarly, the biotech giant Cargill has begun manufacturing a polymer from vegetable oils that is used in polyurethane foams, which is found in beddings, furniture and car-seat headrests.

    Similar: froth

  2. countable, uncountable A collection of small bubbles created when the surface of a body of water is moved by tides, wind, etc. ’Tis thou that rigg’st the bark and plough’st the foam,

    Similar: froth, surf, spindrift, spume, spray

  3. countable, uncountable A collection of small bubbles formed from bodily fluids such as saliva or sweat. “Again. Tell it again!” cried Fagin, tightening his grasp on Sikes, and brandishing his other hand aloft as the foam flew from his lips.

    Similar: froth

  4. countable, uncountable A collection of small bubbles on the surface of a liquid that is heated, fermented or carbonated. a quart jug with a crown of foam upon it

    Similar: froth, effervescence, fizz, head, mousse

  5. countable, uncountable A collection of small bubbles created by mixing soap with water. […] she concentrated on the foam in the sink, tempering the water.

    Similar: froth, lather, suds

  6. countable, uncountable A collection of small bubbles formed by mixing an extinguishing agent with water, used to cover and extinguish fires.

    Similar: froth

  7. countable, uncountable A food prepared in the form of a mass of airy bubbles. His specialty is a mango foam.

    Similar: froth

  8. countable, uncountable A material formed by trapping pockets of gas in a liquid or solid. A foam mat can soften a hard seat.
  9. countable, figuratively, poetic, uncountable The sea. He is in Europe, across the foam.
  10. countable, uncountable Fury, rage, ire.
  11. countable, in plural, uncountable Sneakers.

verb foams · foaming · foamed

  1. intransitive To form or emit foam. […] And that is it Hath made me rig my navy; at whose burthen The anger'd ocean foams; with which I meant To scourge the ingratitude that despiteful Rome Cast on my noble father.

    Similar: suds

  2. intransitive To spew saliva as foam; to foam at the mouth. […] to London will we march amain, And once again bestride our foaming steeds, And once again cry ‘Charge upon our foes!’ But never once again turn back and fly.
  3. To coat or cover with foam. It used to be common practice to foam the runway prior to an emergency landing, in case a fuel-fed fire occurred.

Thesaurus

Closest in meaning: spume, froth, suds, seethe, effervesce, fizz, sparkle, bubble, drool, styrofoam, turf, roof, brew, meat, beer, crème

Translations

Every language

noun substance composed of a large collection of bubbles or their solidified remains

Españolespuma
한국어거품 geopum
日本語泡 awa, 泡 abuku
中文泡沫 pàomò, 沫 mò, 泡 pào
हिन्दीझाग jhāg, कोप kop, फेन phen
Kiswahilipovu
Portuguêsespuma
Françaisécume, mousse
DeutschSchaum
Italianoschiuma
Ελληνικάαφρός afrós
Românăspumă
Русскийпе́на péna
Tiếng Việtbọt
العربيةرَغْوَة raḡwa, زَبَد zabad, زَبَد البَحْر zabad al-baḥr
עבריתקֶצֶף kétsef

noun food

Españolespuma

noun foam rubber

Españolgomaespuma, foam
中文泡沫塑料 pàomò sùliào
Kiswahilipovu
DeutschSchaumgummi
Italianogomma piuma
Ελληνικάαφρώδες ελαστικό afródes elastikó
Русскийпенопла́ст penoplást, пороло́н porolón

verb form or emit foam

Españolespumar, espumear
日本語発泡する happōsuru
Portuguêsespumar
Françaisécumer, mousser
Deutschschäumen
Ελληνικάαφρίζω afrízo
Românăspumega, spuma
Русскийпе́ниться pénitʹsja

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Cite this
MLA

"foam." Wiktionary, via Micwyn, micwyn.com/word/foam. Accessed 6 Nov. 2026.

APA

foam. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/foam

Chicago

"foam." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/foam.

BibTeX
@misc{foam_2026,
  title = {foam},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/foam},
  urldate = {2026-11-06}
}