acidic

adjective

acid·​ic ə-ˈsi-dik How to pronounce acidic (audio)
a-
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.
Rainwater reacts with carbon dioxide in the air and becomes slightly acidic, wearing away at rock exposed on the Earth’s surface. Peter Brannen, Quanta Magazine, 15 Sep. 2025 Producing such minerals in a lifeless place would probably require acidic conditions or high temperatures—and the area showed signs of neither. David W. Brown, New Yorker, 13 Sep. 2025 Ways to Enjoy Cacao Nibs Cacoa nibs have a slightly acidic and bitter taste and a crunchy texture. Heather Jones, Verywell Health, 11 Sep. 2025 When the pH level was lowered to create an acidic environment, the dye was released. New Atlas, 10 Sep. 2025 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

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Cite this Entry

“Acidic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidic. Accessed 17 Sep. 2025.

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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