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trick·le-down | \ ˈtri-kəl-ˈdau̇n 
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\Definition of trickle-down
1 : relating to or working on the principle of trickle-down theory
trickle-down economics
2 : relating to or being an effect caused gradually by remote or indirect influences
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Time Traveler for trickle-down
The first known use of trickle-down was in 1944
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