• (n.) An unorganized ferment which causes cane sugar to take up a molecule of water and be converted into invert sugar.
In·vert'in noun (Physiol. Chem.) An unorganized ferment which causes cane sugar to take up a molecule of water and be converted into invert sugar. 
Type: Term Pronunciation: in-ver′tin Synonyms: β-fructofuranosidase