Underground Railroad
Underground Railway | secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War |
| screening | testing objects or persons in order to identify those with particular characteristics |
| genetic screening | analyzing a group of people to determine genetic susceptibility to a particular disease, genetic screening of infants for phenylketonuria |
cover
covering screening
masking | the act of concealing the existence of something by obstructing the view of it, the cover concealed their guns from enemy aircraft |
adding machine
totalizer
totaliser | a calculator that performs simple arithmetic functions |
addressing machine
Addressograph | a printer that automatically prints addresses on letters for mailing |
| answering machine | an electronic device that answers the telephone and records messages |
automatic rifle
automatic machine rifle | light machine gun |
| ballast | any heavy material used to stabilize a ship or airship |
| ballast light ballast | an electrical device for starting and regulating fluorescent and discharge lamps |
ballast resistor
ballast barretter | a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) |
| bathhouse bathing machine | a building containing dressing rooms for bathers |
breathing device
breathing apparatus
breathing machine
ventilator | a device that facilitates breathing in cases of respiratory failure |
Browning machine gun
Peacemaker | a belt-fed machine gun capable of firing more than rounds per minute, used by United States troops in World War II and the Korean War |
burp gun
machine pistol | a fully automatic pistol, a small submachine gun |
cable railway
funicular
funicular railway | a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars |
calculator
calculating machine | a small machine that is used for mathematical calculations |
car
auto
automobile
machine motorcar | a motor vehicle with four wheels, usually propelled by an internal combustion engine, he needs a car to get to work |
car railcar
railway car
railroad car | a wheeled vehicle adapted to the rails of railroad, three cars had jumped the rails |
cash machine
cash dispenser
automated teller machine
automatic teller machine
automated teller
automatic teller
ATM | an unattended machine (outside some banks) that dispenses money when a personal coded card is used |
cog railway
rack railway | railway for steep mountains, a cogwheel on the locomotive engages cogs on a center rail to provide traction |
computer
computing machine
computing device
data processor
electronic computer
information processing system | a machine for performing calculations automatically |
dialyzer
dialysis machine | a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes |
| diathermy machine | a medical instrument for local heating of bodily tissues for medical purposes |
dishwasher
dish washer
dishwashing machine | a machine for washing dishes |
electrostatic generator
electrostatic machine
Wimshurst machine
Van de Graaff generator | electrical device that produces a high voltage by building up a charge of static electricity |
elevated railway
elevated railroad
elevated
el
overhead railway | a railway that is powered by electricity and that runs on a track that is raised above the street level |
facsimile
facsimile machine
fax | duplicator that transmits the copy by wire or radio |
| farm machine | a machine used in farming |
| franking machine | a machine that automatically stamps letters or packages passing through it and computes the total charge |
| fruit machine | a coin-operated gambling machine that produces random combinations of symbols (usually pictures of different fruits) on rotating dials, certain combinations win money for the player |
| heart-lung machine | a pump to maintain circulation during heart surgery, diverts blood from the heart and oxygenates it and then pumps it through the body |
hovercraft
ground-effect machine | a craft capable of moving over water or land on a cushion of air created by jet engines |
| ice machine | an electric refrigerator to supply ice cubes |
| knitting machine | a textile machine that makes knitted fabrics |
| light machine gun | a submachine gun not greater than . millimeter |
line railway line
rail line | the road consisting of railroad track and roadbed |
Linotype
Linotype machine | a typesetting machine operated from a keyboard that casts an entire line as a single slug of metal |
lithograph
lithograph machine | duplicator that prints by lithography, a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern |
locomotive
engine locomotive engine
railway locomotive | a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks |
| machine | any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks |
| machine simple machine | a device for overcoming resistance at one point by applying force at some other point |
| machine bolt | a bolt with a square or hexagonal head on one end and a threaded shaft on the other end, tightened with a wrench, used to connect metal parts |
| machine gun | a rapidly firing automatic gun (often mounted) |
| machine screw | a screw used either with a nut or with a tapped hole, slotted head can be driven by a screwdriver |
| machine shop | workshop where metal is cut and shaped etc., by machine tools |
machine stitch
sewing-machine stitch | a sewing stitch made by a sewing machine, sometimes using more than one thread |
| machine tool | a powered machine for cutting or shaping or finishing metals or other materials |
magneto
magnetoelectric machine | a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine |
| microwave diathermy machine | diathermy machine that uses microwave radiation as the source of heat |