penta-millionaire
 n.— «There’s also been a steep rise in the number of what Phoenix refers to as “penta-millionaire” households—those with at least $5 million in liquid assets. There are now 755,000 of them, up 47 percent since 2003.» —“Mixed Blessings” by Mark Dolliver Adweek Feb. 26, 2007. (source: Double-Tongued Dictionary)

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