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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.

Earlier restorers cut it into six sections, adhered it to acidic backing and sealed it with animal glue.

From The Wall Street Journal

Those distracting acidic greens are only one unusual choice in Pontormo’s palette.

From The Wall Street Journal

Their findings suggest that inside lysosomes, this channel acts like an overflow valve, preventing the environment from becoming too acidic.

From Science Daily

Such condensation can be “highly acidic and dangerous, causing chemical burns to the skin and severe lung damage,” the Iranian Environmental Protection Organization warned, according to NBC News.

From Salon

These enzymes become active as the dough grows more acidic during fermentation.

From Science Daily