"having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; \"infrared radiation\"; \"infrared photography\""@en-us . . "0"^^ . "02517999-a"^^ . "302429409"@en-us . "infrared"@en-us . . "0"^^ . . . . . "infrared"^^ . . . . "302517999"@en-us . "302517999"^^ . . .