Answer: infrared

AnswerCrossword Clue
INFRAREDKind of lamp or galaxy
infrareda part of the visible spectrum, also ULTRARED
infraredof or using invisible radiation wavelengths that are just longer than red in the visible spectrum
INFRAREDLike night-vision goggles
INFRAREDType of light
INFRAREDCertain rays
INFRAREDPart of the invisible spectrum
INFRAREDLike some vision
INFRAREDKind of lamp
INFRAREDLike some night vision
INFRAREDThermography radiation
INFRAREDDescribing invisible rays
INFRAREDCertain rays.
INFRAREDKind of rays.
INFRAREDUltraviolet's counterpart
INFRAREDRadiation band
INFRAREDNight vision assistance
INFRAREDLike quartz heater radiation
INFRAREDKind of bulb in a heat lamp
INFRAREDWhat a sniperscope employs