adjective
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another word for acid
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(of an oxide) yielding an acid in aqueous solution
Other Word Forms
Etymology
Origin of acidic
Explanation
Something that's acidic has a sour or sharp taste. Lemonade, especially if it's light on the sugar, tastes very acidic. Citrus fruits have a typically acidic flavor, and they qualify as acidic in the scientific definition of the word as well. In chemistry, something that's acidic has a low pH, as opposed to a base, which has a higher pH. Various kinds of acids and vinegar are also acidic. The word comes from acid, which originally meant "of the taste of vinegar," from the Latin word acidus, "sour or sharp."
Vocabulary lists containing acidic
Structure and Properties of Matter - Middle School
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Structure and Properties of Matter - Introductory
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Structure and Properties of Matter - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Their work showed that bacteria accumulating on implant surfaces create acidic biofilms that slowly damage the titanium.
From Science Daily ● Oct. 23, 2026
I like to arrange an almost ridiculous assortment of crunchy, creamy, salty, fresh and acidic things, allowing everyone to customize their bowls.
From Salon ● Oct. 20, 2026
She says the acidic soil creates ideal conditions for the perfect artisan brew.
From BBC ● Oct. 13, 2026
While some are being reworked by zama zamas, many are filled with acidic water that contributes to sinkholes, said mining expert David van Wyk.
From Barron's ● Sep. 1, 2026
I spoke softly, to avoid earning another acidic look from Mrs. Spektor.
From "The City Beautiful" by Aden Polydoros
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
