1) Butyrin 
A triglyceride drug that may inhibit cell growth and induce cell differentiation. Differentiating agents may be effective in changing cancer cells back into normal cells.
A synthetic substrate for lipase assays. ... Synonym: glyceryl tributyrate, tributyrylglycerol. ... (05 Mar 2000) ... 
Type: Term Pronunciation: trī-byū′tir-in Definitions: 1. A synthetic substrate for lipase assays. Synonyms: glyceryl tributyrate, tributyrylglycerol
[n] - a bitter oily triglyceride of butyric acid
noun a bitter oily triglyceride of butyric acid; a form of butyrin