froth

UK/ˈfɹɒθ/

nounB2+Rare in speech; mostly a word you read · #12,858 of 15,258neutral

Other forms: froths

Froth is a mass of small bubbles on a liquid. A head of froth, froth on the coffee, froth up the milk.

It needs something to hold the bubble walls together, which is why milk and beer froth and water does not. Figuratively, froth is talk or writing with nothing under it, and calling an argument froth dismisses it as all surface.

Definitions of froth

1nounfrothA mass of small bubbles on a liquid.B2+
“He blew the froth off the top of his beer before taking a sip.”

froth is a foam.

Where it comes from

Old Norse frotha names the foam, from a Germanic root.

Proto-Germanic
*fruþǭ
Old Norse
froða
Middle English
froth
English, today
froth

From Middle English froth, frooth, froþ, likely a borrowing from Old Norse froða, from Proto-Germanic fruþǭ; Old English āfrēoþan (“to foam, froth”) is from same Germanic root. Verb attested from late 14th century. Compare Swedish fradga.

Etymology from Wiktionary, CC BY-SA

Practised in A Song of Ice and Fire

Practise this word

froth in the wild

The development of froth flotation has improved the recovery of valuable minerals, such as copper- and lead-bearing minerals.
Froth flotation
In its most commonly encountered form, it is also called cheongpo-muk, which literally means "clear froth jelly," owing to its clear white color.
Nokdu-muk
In Europe the most common process is froth flotation deinking.
Deinking
Hyde, 242 U.S. 261, is a United States Supreme Court case on the patent protection of froth flotation.
Minerals Separation, Ltd. v. Hyde
Mineral processing often relies on the formation of froth to separate rich minerals from gangue.
Froth pump

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

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