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  1. Machine - Wikipedia

    A worker operating a milling machine in the early 20th century A machine is a thermodynamic system that uses power to apply forces and control movement to perform an action. The term is commonly …

  2. Machine | Definition, Mechanisms & Efficiency | Britannica

    Nov 17, 2025 · Machine, device, having a unique purpose, that augments or replaces human or animal effort for the accomplishment of physical tasks. This broad category encompasses such simple …

  3. machine noun - Definition, pictures, pronunciation and usage ...

    Definition of machine noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  4. MACHINE | definition in the Cambridge English Dictionary

    MACHINE meaning: 1. a piece of equipment with several moving parts that uses power to do a particular type of work…. Learn more.

  5. Machine - definition of machine by The Free Dictionary

    Define machine. machine synonyms, machine pronunciation, machine translation, English dictionary definition of machine. n. 1. a. A device consisting of fixed and moving parts that modifies mechanical …

  6. machine - WordReference.com Dictionary of English

    machine /məˈʃiːn/ n an assembly of interconnected components arranged to transmit or modify force in order to perform useful work Also called: simple machine a device for altering the magnitude or …

  7. Machine - Definition, Meaning & Synonyms | Vocabulary.com

    At its simplest, a machine is an invention that does a job better and faster and more powerfully than a human being.