foam

noun
\ ˈfōm How to pronounce foam (audio) \

Definition of foam

 (Entry 1 of 2)

1 : a light frothy mass of fine bubbles formed in or on the surface of a liquid or from a liquid: such as
a : a frothy mass formed in salivating or sweating
b : a stabilized froth produced chemically or mechanically and used especially in fighting oil fires
c : a material in a lightweight cellular form resulting from introduction of gas bubbles during manufacture
2 : sea
3 : something resembling foam

foam

verb
foamed; foaming; foams

Definition of foam (Entry 2 of 2)

intransitive verb

1a : to produce or form foam
b : to froth at the mouth especially in anger broadly : to be angry
2 : to gush out in foam
3 : to become covered with or as if with foam streets … foaming with life— Thomas Wolfe

transitive verb

1 : to cause to foam specifically : to cause air bubbles to form in
2 : to convert (something, such as a plastic) into a foam

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Other Words from foam

Noun

foamless \ ˈfōm-​ləs How to pronounce foamless (audio) \ adjective

Verb

foamable \ ˈfō-​mə-​bəl How to pronounce foamable (audio) \ adjective
foamer \ ˈfō-​mər How to pronounce foamer (audio) \ noun

Synonyms for foam

Synonyms: Noun

Synonyms: Verb

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Examples of foam in a Sentence

Noun As I poured the beer, foam bubbled up in the glass. The fire extinguisher is filled with foam. a can of shaving foam Verb The soda foamed in the glass. The mixture will bubble and foam when you add the yeast.
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Recent Examples on the Web: Noun Hospitals throughout the country are confronting a scarcity of masks and other gear, which became so dire in Washington state that medical workers made 500 masks out of vinyl, tape, foam and elastic purchased at Home Depot. Rachel Swan, SFChronicle.com, "SF company donates 60,000 masks, other supplies to health care workers in coronavirus fight," 21 Mar. 2020 About every month, hang them outdoors or run foam and latex pillows on the dryer’s no-heat cycle. oregonlive, "How to sanitize upholstery and home surfaces without damaging them in a coronavirus clean," 20 Mar. 2020 Is Encouraged in Asia, but Shunned in the U.S. To buy time, Providence infection control and quality experts designed prototype face-shields with off-the-shelf materials: marine-grade vinyl, industrial tape, foam and elastic. Ben Elgin And John Tozzi / Bloomberg, Time, "U.S. Hospital Workers Are Making Masks, Protective Gear From Office Supplies Amid Equipment Shortage," 18 Mar. 2020 An easy recipe includes glue, shaving cream foam and food coloring. Joey Guerra, Houston Chronicle, "More than an iPad: Realistic kid activities during coronavirus quarantine," 13 Mar. 2020 Hartford: The largest organization of cities and towns in Connecticut has called on the state and businesses to provide them with more help in addressing the expensive environmental fallout from chemicals in firefighting foam and similar products. USA TODAY, "Stolen turtle, bald eagles, peregrine falcons, amazing avalanche survivor: News from around our 50 states," 6 Mar. 2020 And that’s where self-myofascial release, a form of self-massage by way of foam-rolling, offers a game-changing solution. Lauren Valenti, Vogue, "Why This Holiday Break Is a Perfect Time to Start Foam-Rolling," 24 Dec. 2019 The White Claw cans inside the machine are filled with foam and can be exchanged at the bar for any flavor of White Claw. Jordyn Noennig, Milwaukee Journal Sentinel, "Now you can win White Claw from this claw machine at Jack's on Brady and Brat House," 16 Dec. 2019 Mattresses feature a 6-inch comfort layer of gel memory foam and 4-inch high-density support foam base layer. CNN Underscored, "The best Cyber Monday deals to shop on Amazon," 2 Dec. 2019 Recent Examples on the Web: Verb Gwyneth Paltrow dies foaming at the mouth, and drums beat along to the action. Josephine Livingstone, The New Republic, "Why You Should Watch Movies About Pandemics, During Pandemics," 18 Mar. 2020 Earlier this week a New Jersey convenience store clerk tried to turn a quick buck by diluting industrial-strength foaming disinfectant into hand wash bottles, sold it, and four kids ended up with chemical burns. Heather Arndt Anderson, Sunset Magazine, "For the Love of All That Is Good, People, Please Don’t DIY Your Hand Sanitizer," 12 Mar. 2020 Kurt Cobain-esque red and black knits were layered over foaming tiered skirts and paired with two-inch high creepers, while models were given greasy bangs that covered one eye to amp up the teen-spirit feel. Georgia Murray, refinery29.com, "Tulle & Teen Spirit At Molly Goddard’s London Fashion Week Show," 18 Feb. 2020 Creams tend to be too thick and moisturizing, while liquids and foaming washes can be super light and may not completely clear away all the oil. Beth Janes, Good Housekeeping, "Your Complete Guide to Dealing With Oily Skin," 7 Feb. 2020 Best Cleanser for Dry Skin: AHC Aqualuronic Cleanser Formulated with three types of hyaluronic acid and ceramides, which help prevent moisture loss, this gentle foaming cleanser hydrates deep while thoroughly removing dirt and other impurities. Alex Warner, PEOPLE.com, "PEOPLE Beauty Awards: The Best Skin Products of 2019," 21 Nov. 2019 The light foaming cleanser has active ingredients and soothing aloe that doesn't strip my skin of natural oils. Maya Allen, Marie Claire, "Why Dr. Barbara Sturm's Winter Essentials Kit Is Worth It," 6 Nov. 2019 Whisk in yeast and 1 tsp sugar and let sit until foaming, about 10 minutes. The Good Housekeeping Test Kitchen, Good Housekeeping, "King Cake," 15 Nov. 2019 The island has clams, osprey and golden forsythia foaming like champagne in the spring, but lacks a hospital, a movie theater and home mail delivery. Julie Lasky, New York Times, "Shelter Island, N.Y.: A Paradise That Has Its Challenges," 16 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'foam.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of foam

Noun

before the 12th century, in the meaning defined at sense 1

Verb

before the 12th century, in the meaning defined at intransitive sense 1a

History and Etymology for foam

Noun

Middle English fome, from Old English fām; akin to Old High German feim foam, Latin spuma foam, pumex pumice

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Time Traveler for foam

Time Traveler

The first known use of foam was before the 12th century

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Statistics for foam

Last Updated

25 Mar 2020

Cite this Entry

“Foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foam. Accessed 29 Mar. 2020.

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More Definitions for foam

foam

noun
How to pronounce foam (audio)

English Language Learners Definition of foam

 (Entry 1 of 2)

: a mass of small bubbles that are formed in or on a liquid
: a substance that is like a thick liquid made of many small bubbles
: a soft material that is used to make many products

foam

verb

English Language Learners Definition of foam (Entry 2 of 2)

: to produce foam

foam

noun
\ ˈfōm How to pronounce foam (audio) \

Kids Definition of foam

 (Entry 1 of 2)

: a mass of tiny bubbles that forms in or on the surface of a liquid

foam

verb
foamed; foaming

Kids Definition of foam (Entry 2 of 2)

: to produce or form a mass of tiny bubbles Baking soda will foam when you add vinegar.

foam

noun
\ ˈfōm How to pronounce foam (audio) \

Medical Definition of foam

: a light frothy mass of fine bubbles formed in or on the surface of a liquid spermicidal foam

Other Words from foam

foam verb

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More from Merriam-Webster on foam

Thesaurus: All synonyms and antonyms for foam

Rhyming Dictionary: Words that rhyme with foam

Spanish Central: Translation of foam

Nglish: Translation of foam for Spanish Speakers

Britannica English: Translation of foam for Arabic Speakers

Britannica.com: Encyclopedia article about foam

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