a person who has a million pounds, dollars, etc.; a very rich person 百万富翁；大富豪 an oil millionaire 石油行业的百万富翁 She's a millionaire several times over. 她是个亿万富婆。 🔊🔊 a millionaire businessman 十分富有的商人
Oxford Collocations DictionaryMillionaire is used before these nouns:- businessman, businesswoman
Word Originearly 19th cent.: from French millionnaire, from million, probably from Italian milione, from mille ‘thousand’.