An unexpected, wonderful, or preternatural appearance; especially something such as a ghost or phantom.
The first appearance of a star or other luminary after having been invisible or obscured; opposed to occultation.
A period of consecutive days or nights when a particular celestial body may be observed, beginning with the heliacal rising of the body and ending with its heliacal setting.
An act of becoming visible; appearance; visibility.
The thing appearing; a visible object; a form.
Ghost imaging.
The practice of hiding prisoners from inspection from (possibly hostile) outside inspectors.
The blurry appearance of a television picture resulting from interference caused by multipath reception.
A form of identity theft in which someone steals the identity, and sometimes even the role within society, of a specific dead person (the "ghost") who is not widely known to be deceased.
A problem with a keyboard where certain simultaneous keypresses trigger the action of a further key that was not in fact pressed.
A method of ending a personal relationship by stopping any contact with the other party and not providing an explanation.
The phenomenon of the writing on one side of a page in a notebook being partly visible on the other side.