Pyramid

/'pirəmid/
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Definition
  1. Noun:

    • A massive structure with a square base and four triangular sides meeting at a point: A "pyramid" is a monumental stone structure, especially those built in ancient Egypt as royal tombs.
    • A geometric solid with a polygonal base and triangular faces meeting at a common vertex (the apex): In geometry, a "pyramid" is a polyhedron with this specific shape.
    • A system or structure resembling a pyramid in shape or organization: This can refer to anything that widens progressively from the top down, such as a hierarchical organization or a scheme.
  2. Verb:

    • To increase or progress rapidly in successive stages: To "pyramid" means to build up or increase something rapidly on a broad base, often in a step-like manner.
    • To arrange or assemble in the shape of a pyramid: To "pyramid" is to stack or organize items so they form a pyramid shape.
    • To engage in a financial strategy using paper profits as leverage: In finance, to "pyramid" means to use the paper profits from an investment as margin to purchase more of it.
Examples of Usage
  • Noun:

    • The Great Pyramid of Giza is one of the Seven Wonders of the Ancient World.
    • A square pyramid has a square base and four triangular faces.
    • The company had a strict management pyramid.
  • Verb:

    • The company managed to pyramid its profits over a few short years.
    • She pyramided the cans at the grocery store for a display.
    • He pyramided his stock holdings during the bull market.
Advanced Usage
  • "Pyramid scheme": A fraudulent business model where returns are paid to earlier investors using the capital from newer investors, not from profit.

    • Many people lost their savings after investing in what turned out to be a pyramid scheme.
  • "Food pyramid": A nutritional diagram shaped like a pyramid, showing the recommended intake for different food groups.

    • The old food pyramid placed grains at the base.
Variants and Related Words
  • Pyramidal (adj): Having the shape or form of a pyramid.

    • The mountain had a pyramidal peak.
  • Pyramidion (n): The capstone of an Egyptian pyramid or an obelisk.

Synonyms
  • Noun: Monument, ziggurat, tetrahedron (for triangular pyramid), hierarchy.
  • Verb: Accumulate, amass, build up, stack.
Related Phrasal Verbs/Constructions
  • "Pyramid up": To build or accumulate in a pyramidal fashion. (Note: This is a less common construction based on the verb).
    • The children pyramided up the building blocks until they fell over.
Related Idioms
  • "The top of the pyramid": Refers to the highest level of a hierarchy or organization.
    • Very few people ever reach the top of the corporate pyramid.
Noun
  1. a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
  2. (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 purchases
  3. a polyhedron having a polygonal base and triangular sides with a common vertex
Verb
  1. increase rapidly and progressively step by step on a broad base
  2. arrange or build up as if on the base of a pyramid
  3. use or deal in (as of stock or commercial transaction) in a pyramid deal
  4. enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts