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.
High-fructose corn syrup is 55% fructose, 42% glucose, and 3% other carbohydrates. One important fact about fructose: itâs the carbohydrate your body converts to fat most easily. When you digest high-fructose corn syrup, much of the glucose in it ends up in the blood stream, raising your blood sugar levels.