Things that are monochrome have different tones or shades of only one color. If you prefer to use monochrome film, it means that you love black and white photography.
Use the adjective monochrome to describe something that's a single color. If you've ever watched an old black-and-white movie, you know what monochrome film looks like. You can also call a black-and-white photograph a monochrome. The Greek root, monochromos, means "of a single color," from monos, "single or one," and khroma, "color." Originally, it referred to art drawn or painted in tones of one color.