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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a chattering or flighty, light-headed person. |
transducer (trāns-d 'sər) Pronunciation Key
A device that converts one type of energy or signal into another. For example, a microphone is a transducer that converts sound waves into electric impulses; an electric motor is a transducer that converts electricity into mechanical energy. |