bi-packn.

Etymology: bi- comb. form.Previous versions of the OED give the stress as: ˈbi-pack.

In colour photography, a pack of two sensitive plates or films used to obtain colour separation.

ΘΚΠ

society > leisure > the arts > visual arts > photography > plates and films > [noun] > set of

tripack1911

bi-pack1924

1924 Brit. Jrnl. Photogr. Suppl., Sept. 35/2 The staining of the front member of a bi-pack with aniline orange.

1935 Discovery July 192/1 Using two films in the form known as ‘bi-pack’.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2019).

单词	bi-pack
释义	bi-packn. Etymology: bi- comb. form.Previous versions of the OED give the stress as: ˈbi-pack. In colour photography, a pack of two sensitive plates or films used to obtain colour separation. ΘΚΠ society > leisure > the arts > visual arts > photography > plates and films > [noun] > set of tripack1911 bi-pack1924 1924 Brit. Jrnl. Photogr. Suppl., Sept. 35/2 The staining of the front member of a bi-pack with aniline orange. 1935 Discovery July 192/1 Using two films in the form known as ‘bi-pack’. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2019). < n.1924
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