acidify
verb
acid·i·fy ə-ˈsi-də-ˌfī 
a-
acidified; acidifying
transitive verb
1
: to make acid
2
: to convert into an acid
acidification
ə-ˌsi-də-fə-ˈkā-shən
noun a-
Example Sentences
Pollution caused the soil to acidify.
Recent Examples on the Web Coffee grounds and pine needles don’t acidify soil significantly more than other organic matter. 
Beth Botts, Chicago Tribune, 7 Aug. 2022 The report said that climate change continues to warm and acidify the ocean, and several marine heat waves on the Great Barrier Reef, along the country’s northeast coast, were accompanied by significant coral bleaching events. New York Times, 19 July 2022 On the west side of the Cascades, pH greater than 7.0 is uncommon, so gardeners typically only acidify their soil for growing acid-loving plants like rhododendrons and blueberries. oregonlive, 26 July 2021 As higher concentrations of carbon dioxide build up in the ocean and the waters acidify, greater damage is occurring to marine ecosystems, including the reduction of biodiversity in coral reefs and the hampering of animals’ metabolisms. Doris Elin Urrutia, Scientific American, 27 Nov. 2020 This caused waters to acidify to the point that organisms like corals would have dissolved, explained Hana Jurikova, a biogeochemist at the University of St. Andrews in Scotland who led the study. New York Times, 18 Nov. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 See More
Beth Botts, Chicago Tribune, 7 Aug. 2022 The report said that climate change continues to warm and acidify the ocean, and several marine heat waves on the Great Barrier Reef, along the country’s northeast coast, were accompanied by significant coral bleaching events. New York Times, 19 July 2022 On the west side of the Cascades, pH greater than 7.0 is uncommon, so gardeners typically only acidify their soil for growing acid-loving plants like rhododendrons and blueberries. oregonlive, 26 July 2021 As higher concentrations of carbon dioxide build up in the ocean and the waters acidify, greater damage is occurring to marine ecosystems, including the reduction of biodiversity in coral reefs and the hampering of animals’ metabolisms. Doris Elin Urrutia, Scientific American, 27 Nov. 2020 This caused waters to acidify to the point that organisms like corals would have dissolved, explained Hana Jurikova, a biogeochemist at the University of St. Andrews in Scotland who led the study. New York Times, 18 Nov. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 One group of those early colonists begins to acidify the starter. Bob Holmes, Smithsonian Magazine, 18 Aug. 2020 See More Word History
Etymology
borrowed from French acidifier, from acide acid entry 1 + -ifier -ify
First Known Use
1782, in the meaning defined at sense 1
Medical Definition
acidify
verb
acid·i·fy -ə-ˌfī
acidified; acidifying
transitive verb
1
: to make acid
2
: to convert into an acid
intransitive verb
: to become acid