acidic

adjective

acid·​ic ə-ˈsi-dik How to pronounce acidic (audio)
a-
Synonyms of acidicnext
1
: acid-forming
2
: acid

Synonyms of acidic

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Examples of acidic in a Sentence

The soil in our garden is very acidic. the acidic water of a polluted lake
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With blistering satirical slants and a steady mix of acidic jabs at middle-class life, Darko should be boffo among the teen and young adults segment as well as those viewers still plugged into a sophomoric self-identity. — Duane Byrge, HollywoodReporter, 26 Oct. 2026 Rice vinegar is acidic and tart, with little natural sweetness. — Bon Appétit, Bon Appetit Magazine, 23 Oct. 2026 Equatic pumps seawater through an electrolyzer, where an electric current passes through a sandwich of plastic and metal plates and separates the water into two streams, one alkaline and one acidic, while also producing oxygen and hydrogen. — Alec Luhn, Scientific American, 20 Oct. 2026 Under alkaline conditions, splitting water molecules takes over 100 times longer than in acidic environments. — Mrigakshi Dixit, Interesting Engineering, 20 Oct. 2026 See All Example Sentences for acidic

Word History

Etymology

acid entry 1 + -ic entry 1

First Known Use

1866, in the meaning defined at sense 1

Time Traveler
The first known use of acidic was in 1866

Rhymes for acidic

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Browse Nearby Words

acid humus
acidic
acidiferous
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Cite this Entry

“Acidic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidic. Accessed 27 Oct. 2026.

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Kids Definition

acidic

adjective
acid·​ic ə-ˈsid-ik How to pronounce acidic (audio)
a-
1
: acid-forming
2
: acid

Medical Definition

acidic

adjective
acid·​ic ə-ˈsid-ik, a- How to pronounce acidic (audio)
1
: acid-forming
2
: acid
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