> as lemmas
back projection
back projection n.
Brit. 
/ˌbak prəˈdʒɛkʃn/
, /ˌbak prəˈdʒɛkʃn/U.S. /ˌbæk prəˈdʒɛkʃən/
Cinematography (see quot. 1933)./ˌbæk prəˈdʒɛkʃən/ΘΚΠ
society > leisure > the arts > performance arts > cinematography > projection > [noun]
projection1687
screen image1876
show1897
front projection1910
rear projection1913
back projection1933
projecting1959
1933 A. Brunel Filmcraft 153 Back projection, projection on to a transparent surface, with the projector behind the screen, hidden from the view of the audience in a cinema and from the view of the camera in a studio.
1939 J. Dell Nobody ordered Wolves vii. 90 Back-projection..is a process by means of which an actor in Hertfordshire can be shown in Hyde Park, or the Bois, or the plains of Tibet. By the simple expedient of placing the actor in front of a screen on which is projected a film of the required setting, and by synchronising the two cameras.
<
as lemmas