A machine is a powered tool consisting of one or more parts that is constructed to achieve a particular goal. Machines are usually powered by mechanical, chemical, thermal or electrical means, and are frequently motorized. Historically, a powered tool also required moving parts to classify as a machine; however, the advent of electronics technology has led to the development of powered tools without moving parts that are considered machines.

The word "machine" is derived from the Latin word machina, which in turn derives from the Doric Greek μαχανά (machana), Ionic Greek μηχανή (mechane) "contrivance, machine, engine" and that from μῆχος (mechos), "means, expedient, remedy". The meaning of machine is traced by the Oxford English Dictionary to an independently functioning structure and by Merriam-Webster Dictionary to something that has been constructed. This includes human design into the meaning of machine.

A simple machine is a device that simply transforms the direction or magnitude of a force, but a large number of more complex machines exist. Examples include vehicles, electronic systems, molecular machines, computers, television and radio.

Read more about Machine:  History, Types, Machine Elements, Design

Other articles related to "machine":

Isaac Singer - First Inventions
... In 1839, Singer obtained his first patent, for a machine to drill rock, selling it for $2,000 to the I M Canal Building Company ... He developed and patented a "machine for carving wood and metal" on April 10, 1849 ... hoping to market his wood-block cutting machine there ...
Machine - Impact - Automata
... An automaton (plural automata or automatons) is a self-operating machine ... The word is sometimes used to describe a robot, more specifically an autonomous robot ...
... by RAND that was based on the von Neumann architecture that had been pioneered on the IAS machine ... After two "rescues" from the scrap heap, the machine currently resides at the Computer History Museum in Mountain View, California ... Like the IAS machine, JOHNNIAC used 40-bit words, and included 1024 words of Selectron tube main memory, each holding 256 bits of data ...
Automated Teller Machine - History
... USA, Alex Robertson has been credited with developing and building the first automatic teller machine (which didn't dispense cash) ... The rollout of this machine, called Bankograph, was delayed by a couple of years, due in part to Simjian's Reflectone Electronics Inc ... The Bankograph was an automated envelope deposit machine (accepting coins, cash and cheques) and did not have cash dispensing features ...
Technical (vehicle) - History
... to the first use of automobiles, and even earlier, to the horse-drawn tachankas mounting machine guns in eastern Europe and Russia ... in the deserts of Egypt, Libya and Chad using unarmored motor vehicles, often fitted with machine guns and cannon of various types ... the Willys Jeep, this time fitted with a single.50 caliber Browning machine gun ...

Famous quotes containing the word machine:

    Man is a beautiful machine that works very badly.
    —H.L. (Henry Lewis)

    There is no question but that if Jesus Christ, or a great prophet from another religion, were to come back today, he would find it virtually impossible to convince anyone of his credentials ... despite the fact that the vast evangelical machine on American television is predicated on His imminent return among us sinners.
    Peter Ustinov (b. 1921)

    The machine unmakes the man. Now that the machine is perfect, the engineer is nobody. Every new step in improving the engine restricts one more act of the engineer,—unteaches him.
    Ralph Waldo Emerson (1803–1882)