American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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The fundamental principle of protein skimmers is to effervesce or foam the water so that the muck and waste bi-products get collected and you are able to dispose of it.— Find Free Articles - ArticlesBase
If you pour an acid and an alkali together -- like vinegar and soda -- they will "fizz" or effervesce, and at the same time _neutralize_ or "kill" each other.— A Handbook of Health
Effervesce has been looked up 294 times, favorited once, listed 18 times, and commented on twice.

American Heritage Dictionary (1)
Century Dictionary (1)
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