billionaire
n.
1844, American English, from billion on model of millionaire. The first in the U.S. likely was John D. Rockefeller (1839-1937), some time after World War I.
| 词汇 | billionaire |
| 词根词缀 | Online Etymology Dictionary billionaire n. 1844, American English, from billion on model of millionaire. The first in the U.S. likely was John D. Rockefeller (1839-1937), some time after World War I. |
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