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acidic

[uh-sid-ik] /əˈsɪd ɪk/
adjective
1.
acid (def 5).
2.
Geology, acid (def 8).
3.
acid-forming (def 1).
4.
containing acid-bearing pollutants:
Acidic runoff is poisoning the nation's rivers.
Origin
1875-1880
1875-80; acid + -ic
Related forms
nonacidic, adjective
semiacidic, adjective
unacidic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for acidic
  • Once cleared, the acidic dirt of the forest floor is exhausted after a few harvests.
  • acidic paper degrades faster, by a process known as slow fires.
  • Is an acidic oxide an aqueous solution turns litmus from blue to pink.
  • They are found in acidic bogs throughout the cooler parts of the northern hemisphere.
British Dictionary definitions for acidic

acidic

/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
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Word Origin and History for acidic
adj.

1877, originally in geology; see acid (n.) + -ic.

Online Etymology Dictionary, © 2010 Douglas Harper
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acidic in Science
acid
  (ās'ĭd)   
Any of a class of compounds that form hydrogen ions when dissolved in water, and whose aqueous solutions react with bases and certain metals to form salts. Acids turn blue litmus paper red and have a pH of less than 7. Their aqueous solutions have a sour taste. Compare base.

acidic adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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11
13
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