acid·​i·​fi·​er ə-ˈsi-də-ˌfī(-ə)r How to pronounce acidifier (audio)
: one that acidifies
especially : a substance used to increase soil acidity

Examples of acidifier in a Sentence

Recent Examples on the Web And, add iron with a sulfur soil-acidifier a couple of times each summer. Neil Sperry, San Antonio Express-News, 4 June 2021 To make the iron in the soil more readily available, the soil should be treated with an acidifying agent such as sulfur, iron sulfate (copperas), aluminum sulfate or a liquid soil acidifier. Dan Gill,, 27 Jan. 2021 Adding iron to the soil may help, and adding a sulfur soil acidifier may produce good results. Neil Sperry,, 30 Jan. 2020 Degreaser, preservative, urine acidifier, enema ingredient – is there anything NaPO can’t do? Wired Staff, WIRED, 1 Oct. 2006 Apply an iron product in tandem with a sulfur soil acidifier to help keep the iron in a soluble form. Neil Sperry,, 29 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'acidifier.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


acidify + -er entry 2

First Known Use

1796, in the meaning defined above

Time Traveler
The first known use of acidifier was in 1796

Dictionary Entries Near acidifier

Cite this Entry

“Acidifier.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!