visible spectrum

Translations
видимый спектр
The human eye can only see the visible spectrum of light.
Человеческий глаз может видеть только видимый спектр света.
Definitions
The visible spectrum refers to the portion of the electromagnetic spectrum that can be detected by the human eye, typically ranging from wavelengths of approximately 380 nanometers (violet) to about 750 nanometers (red).
Words
visible

adjective
видимый
spectrum

noun
спектр