Forensic Terms

Lividity

Also known as “liver mortis.” Postmortem discoloration caused by the gravitation of blood to various parts of the body. Can be used to help determine time of death, and placement of a body after death.

Limnology

The study of fresh waters (lakes and ponds — both natural and manmade) is including their biological, physical, and chemical aspects.

Lie Detector

Also known as a “Polygraph.” A machine that charts how respiration and other bodily functions change as questions are asked of the person being tested. An attempt to knowingly provide false answers can cause changes in bodily functions. Lie detector tests are not admissible in court.

Latent Fingerprint

A fingerprint made by deposits of oils and/or perspiration, not usually visible to the human eye. Various technologies, including lasers, can be used to identify latent prints.

Laser

Stands for Light Amplification by Stimulated Emission of Radiation. A device that produces a coherent beam of optical radiation by stimulating electronic, ionic, or molecular transitions in order to create energy.

Idiolect

The variety of a language unique to an individual.

High Explosive

Any explosive with a velocity of detonation greater than 1000 meters per second. Dynamite is a high explosive.

Hemoglobin

A red blood cell protein responsible for transporting oxygen in the bloodstream. Also provides the red coloring of blood.

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