A keyboard key that, when pressed (and held), changes the actions of ordinary input.
A key that, when pressed and held along with another key, changes the meaning of the other key. CTRL, Extend char, and Shift are examples of a modifier key.
a key like Shift or Control that can modify the meaning of a key event
a key that does not produce an alphanumeric character but can be used in combination with other keys to alter an action
A key (such as Shift, Alt, or Ctrl) used to change the meaning of another key.
A key that when pressed and held along with another key or mouse button changes the meaning of the second key or mouse click. Control, Alt, and Shift are examples.
A key that, when pressed with another key, changes the meaning of the other key. The Control, Alt, and Shift keys are modifier keys.
A key (for example, the Control or the Shift key) that does not produce an alphanumeric character but rather modifies the action of other keys.
interface: Any key that has not character associated with it, but which changes the behavior of the keys. The modifier keys on the Mac are Caps Lock, Command (Apple on some keyboards), Control, Option, and Shift. When using modifier keys, you hold those keys down and then tap the character key that it modifies. For instance, the keyboard shortcut for Paste is Command-V. A few applications also recognize the Num Lock key as a modifier.
In computing, a modifier key is a special key on a computer keyboard that modifies the normal action of another key when the two are pressed in combination.