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.
Too many lemon peels can make your soil too acidic. Karen Brewer Grossman, Southern Living, 21 Apr. 2026 If in doubt, a soil test will reveal the pH and recommendations for any adjustments to raise the soil pH or lower it to make the soil more acidic. Andy Wilcox, Better Homes & Gardens, 20 Apr. 2026 Also, apple cider vinegar is highly acidic, so it's typically consumed as a recipe ingredient—in small amounts. Kirsten Nunez, Martha Stewart, 18 Apr. 2026 Never mix bleach with vinegar and other acidic cleaners, and never mix hydrogen peroxide with vinegar. Terri Williams, Architectural Digest, 16 Apr. 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 27 Apr. 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

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