Learn how to say Dynamo correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word dynamo:
noun (plural dynamos)
a machine for converting mechanical energy into electrical energy, typically by means of rotating coils of copper wire in a magnetic field.
informal an extremely energetic person:
she was a dynamo in London politics
late 19th century: abbreviation of dynamo-electric machine, from Greek dunamis ‘power’