Butyrate (also known as butanoate) is the traditional name for the conjugate base of butyric acid (also known as butanoic acid). The formula of the butyrate ion is C4H7O2−. The name is used as part of the name of esters and salts of butyric acid, a short chain fatty acid. Examples include Butyrates are important as food for cells lining the mamm...
• (n.) A salt of butyric acid.
(bu´tә-rāt) a salt of butyric acid.
Bu'ty·rate noun (Chemistry) A salt of butyric acid. 
Type: Term Pronunciation: byū′ti-rāt Definitions: 1. A salt or ester of butyric acid.
butyrate A salt or ester of butyric acid.
a salt or ester of butyric acid.