tax horsepower

English

Noun

tax horsepower (countable and uncountable, plural tax horsepowers or tax horsepower)

  1. (taxation, automotive) A country-specific calculation of the approximate power delivered by an automobile engine, used to determine a vehicle's road taxation rate. Modern systems may also take emissions into account.
    Synonyms: fiscal horsepower, taxable horsepower
    Coordinate terms: mechanical horsepower, metric horsepower

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