Definition of "transesterification" []

• The reaction of an ester with an alcohol in order to replace the alkoxy group; it is used in the synthesis of polyesters and in the production of biodiesel (noun)

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• "The oil is transformed through a process called transesterification, which removes glycerine and adds methanol, leaving a thinner product that can power a diesel engine."
• "Currently biodiesel is produced by a process called transesterification where the vegetable oil or animal fat is first filtered, then processed with alkali to remove free faty acids."
• "Biodiesel is made through a chemical process called transesterification, whereby glycerin is separated from fat or vegetable oil, according to the National Biodiesel Board."