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heart-lung machine

(Encyclopedia)heart-lung machine, device that maintains the circulation of the blood and the oxygen content of the body when connected with the arteriovenous system; it is also called the pump oxygenator. The machi...

automated teller machine

(Encyclopedia)automated teller machine (ATM), device used by bank customers to process account transactions. Typically, a user inserts into the ATM a special plastic card that is encoded with information on a magne...

perpetual-motion machine

(Encyclopedia)perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy in the form of ...

thread

(Encyclopedia)thread, a fine twist of fibrous material, distinguished from yarn in general by being smoother, stronger, and more pliable; it is also better suited to sewing, embroidery, and lace making. Sewing or s...

Goodyear, Charles

(Encyclopedia)Goodyear, Charles, 1800–1860, American inventor, b. New Haven, Conn., originator of vulcanized rubber. He failed in his earlier business ventures and was in jail for debt when he began his experimen...

Ludhiana

(Encyclopedia)Ludhiana lo͝odēäˈnə [key], city (1991 pop. 1,042,740), Punjab state, NW India. Founded in the late 15th cent., it lies on the old Grand Trunk Road, the great thoroughfare connecting Delhi with Am...

Keighley

(Encyclopedia)Keighley kēthˈlē [key], town (1991 pop. 49,188), Bradford metropolitan district, N central England, at the junction of the Aire and Worth rivers. The Leeds and Liverpool Canal connects Keighley wit...

Saint Jean

(Encyclopedia)Saint Jean săN zhäN [key], city (1991 pop. 37,607), S Que., Canada, on the Richelieu River, SE of Montreal. It is an industrial center with textile and hosiery mills and manufactures such as sewing ...

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