Word.ws English Dictionary

Plural of foam

regular plural

The plural of foam is foams.

Forms of foam

Singularfoam /ˈfəʊ̯m/
Pluralfoams
Countablecountable and uncountable

Foams in a sentence

  • 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.2008 April 9, Yudhijit Bhattacharjee, “Harnessing Biology, and Avoiding Oil, for Chemical Goods”, in The New York Times
  • Third, the fingerlike projections of the convoluted egg-crated foams are more subject to damage than the flat surface of conventional pads.1977 June, “How to Buy a Trail Bed: What Lies Twixt You and the Ground”, in Backpacker, volume 5, number 3, page 76. From the entry egg-crated
  • Soapnuts are the dried fruit of a tree called Sapindus mukorossi (Chinese Soapberry) and contain saponin, a natural surfactant that foams just like soap.2015, Beth Terry, Plastic-Free: How I Kicked the Plastic Habit and How You Can Too, Simon and Schuster, →ISBN. From the entry saponin
  • The whey proteins play a more minor role; they influence the texture of casein curds, and stabilize the milk foams on specialty coffees.2004, Harold McGee, chapter 1, in On Food and Cooking: The Science and Lore of the Kitchen, Scribner, →ISBN. From the entry casein

Meaning of foam

  1. noun A substance composed of a large collection of bubbles or their solidified remains, especially.
  2. noun A collection of small bubbles created when the surface of a body of water is moved by tides, wind, etc.
  3. noun A collection of small bubbles formed from bodily fluids such as saliva or sweat.

Full definition of foam

Questions about the plural of foam

What is the plural of foam?
The plural of foam is foams.
Is foam countable?
Foam is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: foam (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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