英和和英

語源

A shortening of dynamo-electric machine. The element dynamo- is ultimately from Ancient Greek δύναμις (dúnamis, “power”).

発音

• (General American) IPA: /ˈdaɪnəmoʊ/

名詞

dynamo (plural dynamos)

1. (electromagnetism) An electricity generator; a dynamo-electric machine.
   • 1950, Norman Lindsay, Dust or Polish?, Sydney: Angus and Robertson, page 176:

     "As usual, it isn't telling the truth about it or you. But your body is. I can feel its vitality like the pulse of a dynamo."

2. (astrophysics) The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.
3. (figuratively) An energetic person.

   That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter.

同意語

• (energetic person): See also Thesaurus:doer

派生語

関連する語

• dynamics

アナグラム

• Aymond, Monday