(medicine) A system for reporting cervical or vaginal cytologic diagnoses, specifically Pap smear results. / (medicine) A similar system for cytopathology of thyroid nodules.

(computing, historical) A type of computer system, now largely obsolete, used to exchange messages and data over a telecommunications network.

(analytic geometry) A system in which the coordinate axes are oblique to each other.

(metrology) A standard set of units of measurement for use in scientific literature worldwide. The newest and most widespread version of the metric system.

(databases) A suite of interrelated computer programs designed to manage message processing and database update in a tightly controlled manner.

An electronic voice-amplification apparatus, usually containing a set of two loudspeakers and a central control unit, used for singing, giving a speech, play-by-play commentary at events, or broadcasting in public areas like in airports, stations, stations.

(computing) A system for representing numbers in which a radix of two is used; that is, each digit in a binary numeral may have either of two different values.

A huge complex of thunderstorms that can sometimes reach the size of Texas.

(automotive) A suspension system that automatically adjusts front and rear ride heights to compensate for changes in axle load.

(neuroanatomy) In vertebrates, that part of the nervous system comprising the brain, brainstem and spinal cord.