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.
The acidic content in vinegar breaks down mineral deposits, hard water stains, and buildup and neutralizes odors. Maria Sabella, The Spruce, 8 Feb. 2026 Use loose, loamy, or sandy soil that is slightly acidic to slightly alkaline. Karen Brewer Grossman, Southern Living, 8 Feb. 2026 Lemons provide slightly more vitamin C, while limes tend to be more acidic and offer a bolder flavor. Heather Jones, Verywell Health, 6 Feb. 2026 Mushy, wrinkled, moldy, or acidic-smelling grapes should only be food for your compost. Karla Walsh, Better Homes & Gardens, 30 Jan. 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 15 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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