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.
These involve removal of thorium from REE containing acidic solution, as well as the selective extraction of REEs using oxalic acid. Aditya Jadhav, Interesting Engineering, 10 June 2026 Hot coffee may have slightly more antioxidants, while cold brew is often perceived as smoother and less acidic. Christina Manian, Health, 10 June 2026 Plants That Don't Like Coffee Grounds While some plants like acidic soil, others prefer alkaline conditions and will not want coffee grounds in their soil. Michelle Mastro, Martha Stewart, 10 June 2026 This era of Jane Remover—the music, which mainlines the noisiest impulses of SounDC, the discourse—is brasher and more acidic than ever. Mano Sundaresan, Pitchfork, 10 June 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 14 Jun. 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster