| Bertillon system | a system or procedure for identifying persons |
| buddy system | a cooperative practice of pairing two or more people together for mutual assistance or safety (especially in recreational swimming) |
| water vascular system | system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration |
| air transportation system | a transportation system for moving passengers or goods by air |
alarm
warning device
alarm system | a device that signals the occurrence of some undesirable event |
audio system
sound system | a system of electronic equipment for recording or reproducing sound |
| backup system | a computer system for making backups |
| basic point defense missile system | a shipboard missile system |
brake system
brakes | a braking device consisting of a combination of interacting parts that work to slow a motor vehicle |
bulletin board system
bulletin board electronic bulletin board
bbs | a computer that is running software that allows users to leave messages and access information of general interest |
cable cable television
cable system
cable television service | a television system that transmits over cables |
closed loop
closed-loop system | a control system with a feedback loop that is active |
color television
colour television
color television system
colour television system
color TV
colour TV | a television that transmits images in color |
communication system
communication equipment | facility consisting of the physical plants and equipment for disseminating information |
| communication system | a system for communicating |
computer
computing machine
computing device
data processor
electronic computer
information processing system | a machine for performing calculations automatically |
computer system
computing system
automatic data processing system
ADP system
ADPS | a system of one or more computers and associated software with common storage |
| control system | a system for controlling the operation of another system |
| coolant system | a cooling system that uses a fluid to transfer heat from one place to another |
cooling system
cooling | a mechanism for keeping something cool, the cooling was overhead fans |
| cooling system engine cooling system | equipment in a motor vehicle that cools the engine |
coude telescope
coude system | a reflecting telescope so constructed that the light is led to a plate holder or spectrograph |
data system
information system | system consisting of the network of all communication channels used within an organization |
defense system
defence system | the weaponry available for the defense of a region |
| drainage system | a system of watercourses or drains for carrying off excess water |
drive line
drive line system | mechanism that transmits power from the engine to the driving wheels of a motor vehicle |
| early warning system | a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them |
| electrical system | equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio |
| electrical system electrical plant | utility that provides electricity |
exhaust
exhaust system | system consisting of the parts of an engine through which burned gases or steam are discharged |
explosive detection system
EDS | a rapid automatic system to detect plastic explosives in passengers' luggage using Xay technology and computers, designed for use in airports |
fiber-optic transmission system
fibre-optic transmission system
FOTS | a communication system using fiber optic cables |
field-sequential color television
field-sequential color TV
field-sequential color television system
field-sequential color TV system | an early form of color TV in which successive fields are scanned in three primary colors |
| fire control system | naval weaponry consisting of a system for controlling the delivery of fire on a military target |
fuel injection
fuel injection system | mechanical system to inject atomized fuel directly into the cylinders of an internalombustion engine, avoids the need for a carburetor |
| fuel system | equipment in a motor vehicle or aircraft that delivers fuel to the engine |
| gas system | facility (plant and equipment) for providing natural-gas service |
Global Positioning System
GPS | a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver |
guidance system
guidance device | a system of equipment for automatically guiding the path of a vehicle (especially a missile) |
heating system
heating plant
heating
heat | utility to warm a building, the heating system wasn't working, they have radiant heating |
hi-fi
high fidelity sound system | equipment for the reproduction of sound with high fidelity |
| highway system | a transportation system consisting of roads for motor transport |
hub-and-spoke
hub-and-spoke system | a system of air transportation in which local airports offer air transportation to a central airport where long-distance flights are available |
| hydraulic system | a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube |
hydraulic transmission
hydraulic transmission system | a transmission that depends on a hydraulic system |
ignition
ignition system | the mechanism that ignites the fuel in an internalombustion engine |
inertial guidance system
inertial navigation system | a system to control a plane or spacecraft, uses inertial forces |
intercommunication system
intercom | a communication system linking different rooms within a building or ship etc |
lens
lense
lens system | a transparent optical device used to converge or diverge transmitted light and to form images |
life-support system
life support | medical equipment that assists or replaces important bodily functions and so enables a patient to live who otherwise might not survive, the patient is on life support |
| life-support system life support | equipment that makes life possible in otherwise deadly environmental conditions, the astronauts relied on their life-support systems |
loudspeaker
speaker
speaker unit
loudspeaker system
speaker system | electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance |
lubricating system
force-feed lubricating system
force feed
pressure-feed lubricating system
pressure feed | mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings |
measuring instrument
measuring system
measuring device | instrument that shows the extent or amount or quantity or degree of something |
| mechanical system | a system of elements that interact on mechanical principles |
metro
tube underground
subway system
subway | an electric railway operating below the surface of the ground (usually in a city), in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground' |
missile defense system
missile defence system | naval weaponry providing a defense system |
| navigational system | a system that provides information useful in determining the position and course of a ship or aircraft |
| naval tactical data system | a shipboard system for collecting and displaying tactical data |
plumbing
plumbing system | utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage |
power system
power grid
grid | a system of high tension cables by which electrical power is distributed throughout a region |
| propulsion system | a system that provides a propelling or driving force |
public address system
P.A. system
PA system
P.A.
PA | an electronic amplification system used as a communication system in public areas |
quadraphony
quadraphonic system
quadriphonic system | a stereophonic sound recording or reproducing system using four separate channels |
railway
railroad
railroad line
railway line railway system | line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight |
receiver
receiving system | set that receives radio or tv signals |
| recording system | audio system for recoding sound |
| refrigeration system | a cooling system for chilling or freezing (usually for preservative purposes) |
| school system | establishment including the plant and equipment for providing education from kindergarten through high school |
security system
security measure
security | an electrical device that sets off an alarm when someone tries to break in |
| security system | (computing) a system that enforces boundaries between computer networks |
sewage system
sewer system
sewage works | facility consisting of a system of sewers for carrying off liquid and solid sewage |
| shipboard system | a system designed to work as a coherent entity on board a naval ship |
| ship-towed longange acoustic detection system | a shipboard system consisting of an acoustic detection system that is towed behind the ship |
small computer system interface
SCSI | interface consisting of a standard port between a computer and its peripherals that is used in some computers |
| solar thermal system | a system that converts sunlight into heat |
| sprinkler system | a system for extinguishing fires, water from a network of overhead pipes is released through nozzles that open automatically with the rise in temperature |
steering system
steering mechanism | a mechanism by which something is steered (especially a motor vehicle) |
stereo
stereophony
stereo system
stereophonic system | reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound |
| surface-to-air missile system | the shipboard system that fires missiles at aircraft |
| surveillance system | a closedircuit television system used to maintain close observation of a person or group |
suspension
suspension system | a mechanical system of springs or shock absorbers connecting the wheels and axles to the chassis of a wheeled vehicle |
| system | instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity, he bought a new stereo system, the system consists of a motor and a small computer |
| system clock | an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components |
| system clock | a time-of-day clock in a computer system |
| target acquisition system | a shipboard system for the detection and identification and location of a target with enough detail to permit effective weapon employment |
telecommunication system
telecom system
telecommunication equipment
telecom equipment | a communication system for communicating at a distance |
telephone system
phone system | a communication system that transmits sound between distant points |
television
television system | a telecommunication system that transmits images of objects (stationary or moving) between distant points |
time-delay measuring instrument
time-delay measuring system | chronoscope for measuring the time difference between two events |
| transmission transmission system | the gears that transmit power from an automobile engine via the driveshaft to the live axle |
transportation system
transportation
transit | a facility consisting of the means and equipment necessary for the movement of passengers or goods |
ventilation
ventilation system
ventilating system | a mechanical system in a building that provides fresh air, she was continually adjusting the ventilation |
water system
water supply
water | a facility that provides a source of water, the town debated the purification of the water supply, first you have to cut off the water |
weapon
arm weapon system | any instrument or instrumentality used in fighting or hunting, he was licensed to carry a weapon |
weaponry
arms
implements of war
weapons system
munition | weapons considered collectively |
organization
organisation
system | an ordered manner, orderliness by virtue of being methodical and well organized, his compulsive organization was not an endearing quality, we can't do it unless we establish some system around here |
| system | the living body considered as made up of interdependent components forming a unified whole, exercise helped him get the alcohol out of his system |
| system | a group of physiologically or anatomically related organs or parts, the body has a system of organs for digestion |
| articulatory system | the system of joints in the body |