This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of purifier.

"When he allowed himself to be bitter against various "young men with missions" who had sprung up in various States of the Union, so-called purifiers of politics, he would call them the unsuccessful with a grievance, and recommend to them the practice of charity, forbearance, and other"

purifier   

gasometer    scrubbers    tailoress    stopwatch    airflow