acidic

adjective

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

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.
Her mother ocean is too hot and acidic, the culprit is anthropogenic carbon dioxide; how is an awabi to measure such a thing, let alone compensate for it? Literary Hub, 23 Feb. 2026 Avoid serving acidic foods like tomato sauce on plates that may contain lead. Brandee Gruener, Southern Living, 23 Feb. 2026 These plants also prefer a neutral to slightly acidic potting soil with a pH range of 6 to 7. Madeline Buiano, Martha Stewart, 23 Feb. 2026 Research published in the Journal of Hazardous Materials in 2017 found that the only way these chemicals could release trace amounts of cadmium into the soil is if the panel were crushed into a powder and then placed in an acidic environment for several weeks. Elizabeth Weise, USA Today, 21 Feb. 2026 See All Example Sentences for acidic

Word History

First Known Use

1866, in the meaning defined at sense 1

Time Traveler
The first known use of acidic was in 1866

Browse Nearby Words

Cite this Entry

“Acidic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidic. Accessed 25 Feb. 2026.

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

More from Merriam-Webster on acidic

Last Updated: - Updated example sentences
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