corn sugar noun2 •Dextrose, especially originating from corn starch.Corn sugar is a key ingredient in home beer making. — 2003 •A deceptive term for high fructose corn syrup developed by corn refiners meant to imply sugar.Last week, the industry group applied to the federal government for permission to use a new name for the ingredient on food labels: "corn sugar." — 2010 formscorn sugars
