A Type of Light, Not Ultraviolet, Near Crimson

This page is the CodyCross answer for the clue below from World of Books, Group 299, Puzzle 1 (Presidential Library).

Question is: A Type of Light, Not Ultraviolet, Near Crimson

and the answer is: INFRARED

Word Meaning:

INFRARED — (uncountable) The electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm.

Definitions from Wiktionary.

A type of light, not ultraviolet, near crimson — CodyCross Answer | CodyCross Solutions