Science / Weather / Infrared: The long wave, electromagnetic radiation of radiant heat emitted by all hot objects. On the electromagnetic spectrum, it can be found between microwave radiation and visible light. Water vapor, ozone, and carbon dioxide are capable of absorbing or transmitting infrared radiation. May be referred to as IR.
Entertainment / Photography / Infrared Compensation Index: Used to compensate the focus for black and white infrared film. Color ir film generally does not require compensation. MORE
Science / Chemistry / Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample. MORE