glycerin
Noun: * A sweet, syrupy, colorless, odorless liquid that is a trihydroxy alcohol (C₃H₈O₃). It is obtained commercially through the saponification (soap-making process) or hydrolysis of fats and oils, and is widely used in food, pharmaceuticals, and cosmetics for its humectant (moisture-retaining) and sweetening properties.
Glycerin is primarily used as a non-technical or commercial name for glycerol, especially in contexts like food labeling and consumer products. It functions as a noun and is typically uncountable.
Examples: * The lotion contains glycerin to help keep skin hydrated. * Glycerin is a common ingredient in many cough syrups. * The soap-making process yields glycerin as a byproduct.
- Technical vs. Common Name: In pure chemical contexts, "glycerol" is the systematic IUPAC name, while "glycerin" or "glycerine" is more common in industrial, commercial, and everyday language.
- Qualifiers: It can be specified by its source or grade, such as or .
- Glycerine (noun): An alternative spelling, identical in meaning and usage to "glycerin."
- Glycerol (noun): The precise chemical name for the compound, more common in scientific literature.
- Glyceride (noun): An ester formed from glycerol and fatty acids, which are the components of fats and oils that release glycerin upon saponification.
- Glycerol
- Propane-1,2,3-triol (systematic chemical name)
- E422 (when used as a food additive code)
The word "glycerin" has one core meaning referring to the specific chemical compound. Its different uses (in food, medicine, or industry) are applications of the same substance, not distinct definitions.
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a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
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