foam
foam definition
foam (fōm)
noun
- the whitish mass of bubbles formed on or in liquids by agitation, fermentation, etc.
- something like foam, as the heavy sweat of horses, or frothy saliva
- Old Poet. the sea
- a kind of colloid in which a gas is suspended in a liquid or solid matter, having a texture ranging from soft and liquid, as whipped cream, to firm and elastic, as foam rubber
Etymology: ME fom < OE fam, akin to Ger feim, scum < IE base *(s)poimno-, foam > Sans phḗna-, L spuma
intransitive verb
to form, produce, or gather foam; froth
transitive verb
to cause to foam
Related Forms:
- foamless foam′·less adjective
foam Idioms
foam at the mouth
to be very angry; rage
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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