/buy"pak'/ , n. Photog.
two separate films, each having an emulsion layer sensitive to a different color, held together with their emulsion layers facing for simultaneous exposure through the back of one.
[ 1920-25; BI- 1 + PACK 1 ]
/buy"pak'/ , n. Photog.
two separate films, each having an emulsion layer sensitive to a different color, held together with their emulsion layers facing for simultaneous exposure through the back of one.
[ 1920-25; BI- 1 + PACK 1 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012