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  1. Oxford American Dictionary

    pyramid

    • IPA[ˈpirəˌmid]

    美式

    • n.
      a monumental structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built of stone as a royal tomb in ancient Egypt.；an object, shape, or arrangement in the form of a pyramid
    • v.
      heap or stack in the shape of a pyramid；achieve a substantial return on (money or property) after making a small initial investment.

    • noun: pyramid, plural noun: pyramids

    • 釋義

    名詞

    • 1. a monumental structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built of stone as a royal tomb in ancient Egypt.
    • 2. an object, shape, or arrangement in the form of a pyramid a pyramid of logs
    • ▪ a polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex a three-sided pyramid
    • ▪ a structure of more or less pyramidal form, especially in the brain or the renal medulla.
    • ▪ an organization or system that is structured with fewer people or things at each level as one approaches the top the lowest strata of the social pyramid
    • 3. a system of financial growth achieved by a small initial investment, with subsequent investments being funded by using unrealized profits as collateral.
    • ▪ short for pyramid scheme

    動詞

    • 1. North American heap or stack in the shape of a pyramid debt was pyramided on top of unrealistic debt in an orgy of speculation
    • ▪ North American achieve a substantial return on (money or property) after making a small initial investment.