Pronunciation: [kɹˈɛsɪl] (IPA) 
The spelling of the word "cresyl" can be explained through the International Phonetic Alphabet (IPA) as /ˈkriːsɪl/. The first syllable "cre" is pronounced with a long "e" sound, followed by the "s" sound in the middle and the "il" sound at the end. "Cresyl" is a term used in chemistry, referring to any of three isomeric phenol derivatives, which are used in the manufacturing of resins, fungicides, and disinfectants, among other things.
Cresyl is a term primarily used in the field of chemistry and organic synthesis. It refers to a class of aromatic compounds known as cresols, which are derivatives of phenols. Cresyl compounds contain a methyl group (CH3) attached to the aromatic ring of a phenol molecule.
Cresyl compounds are characterized by their strong aromatic odor and are often colorless or light yellow liquids at room temperature. They are soluble in organic solvents but have limited solubility in water. Cresyl compounds can be found naturally in coal tar, crude oil, and various plant sources.
These compounds have numerous applications in industrial processes and as intermediate chemicals in the production of dyes, disinfectants, and pharmaceuticals. Cresyl compounds are commonly used as preservatives in products such as paints, varnishes, wood treatment solutions, and industrial cleaners.
In addition to their industrial uses, cresyl compounds also have biomedical applications. Certain cresols, such as ortho-cresol, have antiseptic properties and are used to prevent infection in minor wounds and cuts. They are also used as active ingredients in some mouthwashes and oral disinfectants.
Overall, cresyl compounds play a significant role in the chemical industry and have diverse applications due to their unique chemical and physical properties.
Cresol.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "cresyl" comes from the chemical compound called cresol. The term "cresol" is derived from the Latin word "crescere", meaning "to grow". This is because cresol is derived from coal tar or petroleum, which were traditionally obtained by the carbonization or "growing" process of these materials. Over time, the term "cresol" expanded to include different isomers of the compound, such as ortho-cresol, meta-cresol, and para-cresol, with each isomer having its own specific properties and applications.
