Find the word definition

Wiktionary
elaidinization

alt. (context chemistry English) A chemical reaction that alters the orientation of double bonds from cis to trans, most often performed on fats and oils to increase the melting point and extend the shelf life without reducing the degree of unsaturation. n. (context chemistry English) A chemical reaction that alters the orientation of double bonds from cis to trans, most often performed on fats and oils to increase the melting point and extend the shelf life without reducing the degree of unsaturation.

Wikipedia
Elaidinization

Elaidinization is a chemical reaction which alters the orientation of double-bonds from cis- to trans-. It is most often performed on fats and oils to increase both the melting point and the shelf life without reducing the degree of unsaturation. The typical product of elaidinization is trans fat.