English Lexicon

Motive Power

/ˈmoʊ.tɪv ˈpaʊər/
nounCEFR B2 (Upper)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The power or force that causes motion or movement.

    "The locomotive's motive power is generated by a diesel engine."
  2. 2

    A source of energy used to drive machinery or vehicles.

    "Electricity serves as a motive power for many modern trains."

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Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'motive power' originates from the Latin word 'movere', meaning 'to move', combined with the English word 'power', which has roots in Old French 'poer' and Latin 'potere'. Historically, it referred to the force that drives machinery or vehicles, evolving to encompass various forms of energy used for movement.

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