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 composition of white vinegar works efficiently to break down the film that can accumulate on your windows. Lauren Jarvis-Gibson, Kansas City Star, 30 Mar. 2026 That’s thanks to a confluence of factors, not least of which is advancing can liner technology that make acidic beverages, like wine, more stable inside the package. Kate Bernot, Outside, 30 Mar. 2026 Avoid acidic, spicy and sharp or crunchy foods. CBS News, 27 Mar. 2026 To reduce costs, researchers from Cornell University have been exploring fuel cells that operate in alkaline conditions instead of acidic ones. Prabhat Ranjan Mishra, Interesting Engineering, 26 Mar. 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 1 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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