Definition of "quintupling" []

• Present participle of quintuple. (verb)

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• "Such battles are playing out across the U.S., from Litchfield, Conn., where officials argue that quintupling the size of an 1870s building to house a synagogue would mar the historic downtown, to Yuba City, Calif., where a county supervisor opposed a Sikh temple in an agricultural zone for interfering with the "right to farm.""
• "An astonishing quintupling of Nasdaq stock prices coincided with an extraordinary proliferation of stock options, which the Federal Reserve's Survey of Consumer Finances found were granted to 11% of U.S. families by 2001, and with a reduction in the capital gains tax to 20% from 28%, which encouraged much greater realization of taxable gains through stock sales."
• "His head quintupling in size was a concern, certainly; but when the same had just happened to POTUS Jr., it meant a major situation."