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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.

Microorganisms that thrive in harsh settings such as acidic lakes, volcanic soils, and deep caves may be especially useful as we explore what could work under Martian conditions.

From Science Daily

Not a wholly new sandwich — that would defeat the purpose — but a melt that feels attuned to the way many of us cook these days: a little spicier, a little funkier, a little more acidic.

From Salon

At least 50,000 tonnes of acidic debris spilled out into the surrounding waterways and farmland, according to the government.

From BBC

New research from the University of St Andrews reports that some coastal regions are on track to become far more acidic than scientists once believed.

From Science Daily

If your family leans wine, pick a single bottle that actually suits the meal: something crisp and acidic like a zippy Sauvignon Blanc, a light-bodied floral Beaujolais or even a gently funky orange wine.

From Salon