A dead key is a special kind of a modifier key on a typewriter or computer keyboard that is typically used to attach a specific diacritic to a base letter. The dead key does not generate a (complete) character by itself but modifies the character generated by the key struck immediately after. Thus, a dedicated key is not needed for each possible combination of a diacritic and a letter, but rather only one dead key for each diacritic is needed, in addition to the normal base letter keys.
For example, if a keyboard has a dead key for the grave accent (`), the French character à can be generated by first pressing ` and then A, whereas è can be generated by first pressing ` and then E. Usually, the diacritic in an isolated form can be generated with the dead key followed by space, so a plain grave accent can be typed by pressing ` and then Space.
Read more about Dead Key: Usage, Dead Keys On Various Keyboard Layouts
Famous quotes containing the words dead and/or key:
“There had been a time on earth when poets had been young and dead and famous—and were men. But now the poet as the tragic child of grandeur and destiny had changed. The child of genius was a woman, now, and the man was gone.”
—Thomas Wolfe (1900–1938)
“Every revolution was first a thought in one man’s mind, and when the same thought occurs in another man, it is the key to that era.”
—Ralph Waldo Emerson (1803–1882)