Definition of butyrin in US English:
 butyrin
nounˈbyo͞odərənˈbyo͞odərən
Any of three glyceryl esters of butyric acid found naturally in butter.
Chemical formula: C₃H₅(C₃H₄O₂)₃
 Example sentencesExamples
-  Sweat I can understand (more beef in the diet might lead to more butyrins excreted in perspiration), soap likewise... but tobacco?
 -  When combined with butyrin and water, it made a cheap and more-or-less palatable butter substitute.
 -  In some fats - e. g., butter - part of the fatty acid is replaced by lower fatty acids - e. g., butyric, or in porpoise oil, by valerianic acid - both occurring as glycerin esters, butyrin, valerin, respectively.
 -  Besides, they possess good storage stability, can be dissolved in low M.W ketones (acetone, butanone) and esters (acetic ether, acetic butyrin).