Adjective
(photography, of black and white film) sensitive to all visible colours
(digital imaging) sensitive to a wide range of wavelengths of light, typically most of the visible spectrum
Source: en.wiktionary.orgColor light would expose the cyan record on the ortho stock, which also acted as a filter, exposing only red light to the panchromatic film stock. Source: Internet
Technical problems delay the first use of dye sensitization in a commercial product until the mid-1880s; fully panchromatic emulsions are not in common use until the mid-20th century. Source: Internet
In 1925, Gevaert introduced an orthochromatic stock with limited color sensitivity and a fully panchromatic stock, Pan-23. Source: Internet
The cross-cutting between panchromatic and orthochromatic stocks caused continuity problems with costume tones and panchromatic film was often avoided. Source: Internet