Definition of "imponderables" [imponderables]

• Plural form of imponderable. (noun)

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• "Among the many midterm imponderables is this: will the Tea Party have as big an impact on the election as it's had on the chattering class?"
• "Even some unusual substances, called imponderables, can and are made into homeopathic medicines, including electricity, X-ray, and magnetic north and south poles."
• "Tactlessly, McDonald noted that FDR had understood the "imponderables" of the issue."