spectra

🇺🇸 /ˈspektrə/ 🇬🇧 /ˈspektrə/
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noun
R

The group of colors that a ray of light can be separated into, including colors like red, orange, yellow, green, blue, indigo, and violet.

The science exhibit showed the spectra of sunlight passing through a prism.

translation

n. The group of colors that a ray of light can be separated into, including colors like red, orange, yellow, green, blue, indigo, and violet.