Russian
инфракрасное излучение Portuguese
radiação infravermelha Spanish
radiacion infrarroja Catalan
infraroig 
Electromagnetic radiation with longer wavelengths than those of visible light.
1
Photoelectric cells, sensitive to infrared rays to which the human eye is blind, are now used to protect bank vaults.
2
" Infrared rays broken, cameras activated," Barrett said.
Russian
Portuguese
Catalan