The insert/overtype mode toggling is not global for the computer or even for a single application but rather local to the text input window in which the Insert key was pressed.
Wiktionary (0.00 / 0 votes) Rate this definition: high fructose corn syrup (Noun). Any of many corn syrups that has undergone an enzymatic processing to convert some of its glucose into fructose to produce a desired sweetness. Origin: high + fructose + corn syrup.
Commercially, fructose is frequently derived from sugar cane, sugar beets, and corn. Crystalline fructose is the monosaccharide, dried, ground, and of high purity. High-fructose corn syrup (HFCS) is a mixture of glucose and fructose as monosaccharides.Sucrose is a compound with one molecule of glucose covalently linked to one molecule of fructose.ructose has a very low glycemic index of 19 Â± 2, compared with 100 for glucose and 68 Â± 5 for sucrose. Fructose is also 73% sweeter than sucrose at room temperature, so diabetics can use less of it. Studies show that fructose consumed before a meal may even lessen the glycemic response of the meal.