foam
UK: /fəʊm/ | US: /foʊm/
n. a mass of small bubbles formed on or in liquid, typically by agitation or fermentation
n. a lightweight material with a spongy or cellular structure (e.g., foam rubber)
vi. to form or produce foam
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The word "foam" traces back to Old English fām, meaning "bubbles" or "froth," likely derived from Proto-Germanic faimaz. Its core meaning of "bubbly liquid" has remained remarkably consistent over time. The word’s simplicity reflects its ancient roots, as it describes a natural phenomenon observed universally. Unlike many modern scientific terms, "foam" retains its monosyllabic, Germanic structure without Latin or Greek influences, emphasizing its primal connection to observable physical properties.
The waves crashed against the rocks, creating white foam.
She poured the beer carefully to avoid too much foam.
The fire extinguisher sprayed a thick foam onto the flames.
Foam mattresses are popular for their comfort and support.
The boiling soup began to foam at the edges of the pot.