1. infrared rays [radiation]
  1. 赤外線暗視装置a night vision device; noctovision equipment
  1. 赤外線カメラan infrared camera
  1. 赤外線写真infrared photography
  1. 赤外線フィルムinfrared film
  1. 赤外線誘導弾an infrared guided missile
  1. 赤外線療法infrared (ray) treatment [therapy]