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.
Vinegar is acidic and can damage the seasoning as well as the pan, so don’t let the vinegar sit in the pan longer than an hour at a time. Karen Brewer Grossman, Southern Living, 30 Dec. 2025 This can be balanced by bright, acidic ingredients, such as balsamic vinegar, citrus, and feta cheese, according to Makuch. Kirsten Nunez, Martha Stewart, 29 Dec. 2025 First, under acidic conditions, the surface of carbon nitride becomes positively charged, while the tungsten clusters are negatively charged. Rupendra Brahambhatt, Interesting Engineering, 27 Dec. 2025 My #1 Tip Lemon water has a few caveats due to its acidic nature. Jamie Wolff, Health, 27 Dec. 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

Browse Nearby Words

Cite this Entry

“Acidic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidic. Accessed 1 Jan. 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
Love words? Need even more definitions?

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