n. - The photography of distant objects in more enlarged form than is possible by the ordinary means, usually by a camera provided with a telephoto lens or mounted in place of the eyepiece of a telescope, so that the real or a magnified image falls on the sensitive plate.
n. - Art or process of electrically transmitting and reproducing photographic or other pictures at a distance by methods similar to those used in electric telegraphy.
n. - Less properly, phototelegraphy.