Pronunciation: [pjˈʊɹɪfˌa͡ɪ͡ə] (IPA) 
The word "purifier" is spelled with a "u" after the "r" instead of an "i" because it comes from the root word "purify," which has a long "u" sound in the second syllable. In IPA phonetic transcription, it is written as /ˈpjʊərəfaɪər/. The "ʊ" represents the long "u" sound and the "ə" indicates the presence of a schwa sound in the first syllable. The final "er" is pronounced as a separate syllable, represented by the symbol "ɚ".
A purifier, in the context of general usage, refers to a device, substance, or mechanism designed to cleanse or remove impurities, contaminants, or undesirable elements from something, typically air or water, to improve its quality and safety. Purifiers are commonly employed to enhance the purity of the environment or substances with health benefits as their primary objective.
In terms of air purification, a purifier is a device that employs various filtration techniques such as HEPA (High-Efficiency Particulate Air), activated carbon, or electrostatic filters, to eliminate potentially harmful particles, allergens, pollutants, or odors present in the air. These purifiers effectively trap and remove dust, pollen, pet dander, smoke, bacteria, mold spores, and other microscopic particles, thus significantly improving indoor air quality and minimizing potential respiratory issues.
Regarding water purification, a purifier is a mechanism or treatment method that eradicates impurities, bacteria, viruses, heavy metals, chemicals, or other harmful substances found in water sources. These purifiers often employ processes like filtration, reverse osmosis, UV sterilization, distillation, or chemical treatment to ensure the water is safe for consumption or other applications. Water purifiers provide clear, odorless, and taste-free drinking water, helping safeguard against waterborne diseases and harmful pollutants.
Overall, the concept of a purifier centers around the idea of removing unwanted contaminants and ensuring better quality, purity, and safety in the targeted substance, be it air or water.
One who or that which purifies.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word purifier is derived from the Latin word purificare, which is a combination of purus meaning pure and facere meaning to make. Therefore, purifier essentially means to make pure.
