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acidic

American  
[uh-sid-ik] / əˈsɪd ɪk /

adjective

  1. acid.

  2. Geology. acid.

  3. acid-forming.

  4. containing acid-bearing pollutants.

    Acidic runoff is poisoning the nation's rivers.


acidic British  
/ əˈsɪdɪk /

adjective

  1. another word for acid

  2. (of an oxide) yielding an acid in aqueous solution

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonacidic adjective
  • semiacidic adjective
  • unacidic adjective

Etymology

Origin of acidic

First recorded in 1875–80; acid + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Compared with normal tissue, cancer cells tend to be more acidic and contain higher levels of hydrogen peroxide.

From Science Daily

When acid production is reduced for extended periods, the absorption of minerals that depend on an acidic environment may be compromised.

From Science Daily

Spices: Sumac is a great option because it’s acidic yet earthy, tart and slightly lemony, Chavez explains.

From Salon

At home, I default to a simple formula: creamy + hot or herby + acidic.

From Salon

In science class he dropped a test tube full of a liquid that tested as strongly acidic.

From Literature