• WordNet 3.6
    • v acidify turn acidic "the solution acetified"
    • v acidify make sour or more sour
    • ***
Webster's Revised Unabridged Dictionary
    • Acidify To make acid; to convert into an acid; as, to acidify sugar.
    • Acidify To sour; to imbitter. "His thin existence all acidified into rage."
    • ***
Century Dictionary and Cyclopedia
    • acidify To make acid; convert into an acid; render sour; sour, literally or figuratively.
    • acidify To become acid or sour.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Acidify as-id′i-fī to make acid: to convert into an acid
    • pr.p Acidify acid′ifying; pa.p. acid′ified
    • ***


Webster's Revised Unabridged Dictionary
L. acidus, sour, acid + -fy,: cf. F. acidifier,


In literature:

Hydrochloric acid enough to slightly acidify the solution.
"Scientific American Supplement, No. 303" by Various
Ozone is oxygen in a state of great intensity; and oxygen is a general acidifier of many organic substances.
"Enquire Within Upon Everything" by Anonymous
By this plan of working more even dyeings can be obtained than by simply entering the goods direct into an acidified dye-liquor.
"The Dyeing of Woollen Fabrics" by Franklin Beech
"The Mother and Her Child" by William S. Sadler
The resinate solution is withdrawn, acidified, and the resin acids collected, dried and weighed.
"The Handbook of Soap Manufacture" by W. H. Simmons
The lower grade of celluloses thus dissolved are only in part precipitated in acidifying the alkaline solution.
"Researches on Cellulose" by C. F. Cross
Acidify with glacial acetic acid, shake a moment, and then make alkaline with ammonium hydrate.
"The Starvation Treatment of Diabetes" by Lewis Webb Hill
It is because it unites with oxygen, which is the acidifying principle.
"Conversations on Chemistry, V. 1-2" by Jane Marcet
The solution is then acidified and distilled, when azoimide passes over.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1" by Various
Evaporate to a thin syrup, acidify strongly with phosphoric acid.
"The Elements of Bacteriological Technique" by John William Henry Eyre

In news:

The two common air pollutants that acidify rain are sulphur dioxide and nitrogen oxide.
Coral reefs are at risk from an acidifying ocean.
As the ocean acidifies, naturally alkaline seawater – averaging just over 8 units at the surface – becomes less alkaline, and pH decreases.
Plop, Plop Relief for Acidified Lakes.
Small Farmers, Acidified Lakes, Toxic Waste and More Bits & Pieces.
When pH dips, they have a harder time generating sturdy skeletons, and evidence shows that it's harder for corals to reproduce when the ocean acidifies.
Hari Sreenivasan reports on how ocean acidification is already affecting oysters and other shellfish in the U.S. Acidifying Oceans Hinder Health of Northwest Shellfish.
Acidifying Water Takes Toll On Northwest Shellfish.
Hari Sreenivasan reports on how ocean acidification is already affecting oysters and other shellfish in the U.S. Acidifying Oceans Hinder Health of Northwest Shellfish .
Acidifying Water Takes Toll On Northwest Shellfish .

In science:

After centrifugation, the supernatant was diluted with acidified 0.1 M phosphate buffer (pH 4.0; final methanol concentration, 15%) and applied to activated octadecylsilyl (ODS)-silica reverse-phase columns (Sep-Pak C18, Waters Associates, Milford, MA, USA).
Post-ischaemic treatment with the cyclooxygenase-2 inhibitor nimesulide reduces blood-brain barrier disruption and leukocyte infiltration following transient focal cerebral ischaemia in rats