Definition of powerhead in English:



  • 1informal A powerful egomaniac.

    ‘record-industry powerheads’
  • 2Any of various mechanical or electrical devices, including.

    • ‘But, with the recent imposition of a tariff, they announced that the cost of powerheads sold in the U.S. would increase by 91.6% to eliminate the alleged dumping advantage.’
    • ‘Depending on the machine size, a linear displacement transducer or linear encoder is integrated into the powerhead to measure stroke.’
    1. 2.1 A submersible pump for an aquarium that creates current within a tank.
    2. 2.2 A vacuum-cleaner attachment that houses an independent motor that drives a carpet-beating rotating brush.
      See also beater bar
    3. 2.3 The internal combustion engine of an outboard motor.
      • ‘While a final ruling in the outboard engine case is expected early next year, Commerce has imposed a preliminary 22.5% tariff on many Japanese outboard engines and powerheads.’
    4. 2.4 The power unit of an automatic garage door opener.