Meaning of “dynamo” in the English Dictionary

american-english dictionary

(Definition of “dynamo” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"dynamo" in American English

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dynamonoun [ C ]

us /ˈdɑɪ·nəˌmoʊ/ plural dynamos

a device that changes energy of movement into electrical energy:

fig. She’s a real dynamo (= energetic force).

(Definition of “dynamo” from the Cambridge Academic Content Dictionary © Cambridge University Press)