• synonyms


  1. an electric machine for transforming direct current into alternating current or for altering the voltage of direct current, having two armature windings on the same core and a common magnetic field.
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Origin of dynamotor

First recorded in 1905–10; dyna- + motor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dynamotor

Historical Examples of dynamotor

  • As a rule the dynamotor is only suitable for small power-plant work.

    Cyclopedia of Telephony and Telegraphy, Vol. 2

    Kempster Miller

  • There was a power pack, consisting of batteries and a dynamotor, an amplifier, and a control panel.

    The Golden Skull

    John Blaine

British Dictionary definitions for dynamotor


  1. an electrical machine having a single magnetic field and two independent armature windings of which one acts as a motor and the other a generator: used to convert direct current from a battery into alternating current
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012