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nouna massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
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nouna polyhedron having a polygonal base and triangular sides with a common vertextype of:
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verbarrange or build up as if on the base of a pyramid
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verbenlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
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verbincrease rapidly and progressively step by step on a broad basetype of:
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noun(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchasestype of:
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verbuse or deal in (as of stock or commercial transaction) in a pyramid deal