Television.
a geometric design broadcast to receivers for testing the quality of transmission, often identifying the transmitting station and channel.
[ 1945-50 ]
Television.
a geometric design broadcast to receivers for testing the quality of transmission, often identifying the transmitting station and channel.
[ 1945-50 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012