ultrared
Beyond the red: used of the invisible heat-rays, less refrangible than those forming the lower or red part of the spectrum, more commonly called the infra-red rays. See
Situated beyond or below the red rays.
adjectiveBeyond the red: used of the invisible heat-rays, less refrangible than those forming the lower or red part of the spectrum, more commonly called the infra-red rays. See
Situated beyond or below the red rays.
adjectiveBegin a journey through worlds of puzzles.