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[uh-sid-uh-fahy] /əˈsɪd əˌfaɪ/
verb (used with or without object), acidified, acidifying.
to make or become acid; convert into an acid.
to make or become sour.
Origin of acidify
1790-1800; acid + -ify
Related forms
acidifiable, adjective
acidification, noun
acidifier, noun
reacidification, noun
reacidify, verb, reacidified, reacidifying.
semiacidified, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for acidify


verb -fies, -fying, -fied
to convert into or become acid
Derived Forms
acidifiable, adjective
acidification, noun
acidifier, noun
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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acidify in Medicine

acidify a·cid·i·fy (ə-sĭd'ə-fī')
v. a·cid·i·fied, a·cid·i·fy·ing, a·cid·i·fies
To make or become acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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