OSAC Lexicon

A dead human body or the physical remains of a dead human body at one location. Note that this use of the word is different from that often used in law enforcement, which describes the body at a scene where it was found as a corpse, and only as a cadaver once it is under a coroner's or medical examiner's examination.

The measured stature of a body after death.

A fire effect realized in gypsum products, including wallboard, as a result of exposure to heat that drives off free and chemically bound water.

The nominal diameter of a projectile, the nominal inner diameter of a barrel, or a term also used to designate the specific cartridge(s) for which a firearm is chambered.

operation that, under specified conditions, establishes a relationship between the concentration of analyte and the corresponding instrument response

Operation that, under specified conditions, establishes a relationship between the quantity value and corresponding indications

mathematical model that represents the relationship between the known concentration of analyte and the corresponding instrument response

measurement standard used in calibration

Measurement standard used in calibration

The amount of heat necessary to raise 1 gram of water 1C at the pressure of 1 atmosphere and temperature of 15C; a calorie is 4.184 joules, and there are 252.15 calories in a British thermal unit (Btu).

A possible match between two or more DNA profiles discovered by CODIS software.

particle found through an automated search that has a preliminary elemental composition that requires further analysis.

A dog, Canis familiaris, more commonly used to denote a working dog and sometimes abbreviated as K-9.

A person who has successfully completed a recognized course of canine handling in a specific discipline and maintains those abilities through field applications, maintenance training, certification, recertification and agency or program required continuing canine education.

Any action or cue by the handler that causes the canine team to perform incorrectly.

The dog's situational appropriate comfort and interaction with other dogs.

The dog's situational appropriate comfort level and interaction with people.

A human and working canine that train and work together as an operational unit.

The documentation of an evaluation conducted during training.

A person providing training/instruction who has demonstrated, through education, training and operational experience, extensive skill and knowledge in the subject field or discipline. This person would normally perform the maintenance training and proficiency training in the field and may train canines in preparation for a formal course of instruction. (See instructor.)

A canine-handler team is a human and working dog who train and work together as an operational unit. [SC1, 2011]

The uppermost element of letters such as the capital letters “F” and “T”.

An electrophoretic technique for separating DNA molecules by their relative size based on their differential migration through a capillary tube filled with a liquid polymer.

An electrophoretic technique for separating DNA molecules by their relative size based on their differential migration through a capillary tube filled with a liquid polymer.

An electrophoretic technique for separating DNA molecules by their relative size based on their differential migration through a capillary tube filled with a liquid polymer.

An electrophoretic technique for separating DNA molecules by their relative size based on their differential migration through a capillary tube filled with a liquid polymer

Height of a font’s uppercase letters, measured by the letter “H”.

to record data, such as an image, video sequence, audio stream, or biometric sample to digital storage, often by means of a sensor.

A sheet composed of a supporting substrate on one or both sides of which is a coating containing a transferable (usually colored) material. The coating is of such nature that it will transfer in part or entirely to a copy sheet at the point of pressure contact. (ASTM F221)

detection of unintended analyte signal in a sample after the analysis of a positive sample containing that analyte

Single unit of ammunition consisting of the case, primer, and propellant with one or more projectiles. Also applies to a shot shell.

The fired or unfired component of metallic ammunition, the purpose of which is to hold the primer, propellant, and projectile. 

NOTE The terms casing, shell, and brass are often used incorrectly for the term cartridge case.

forensic service provider’s records detailing the forensic process including reports related to a case

forensic service provider’s collection of all records detailing the forensic process including reports related to a case