Monochrome comes from the Greek μονόχρωμος (monochromos), meaning “of one color”, which is a combination of μόνος (monos), meaning “alone” or “solitary”, and χρώμα (chroma), meaning “color”. Monochromatic light is light of a single wavelength, though in practice it can refer to light of a narrow wavele… (More on Monochromatic)