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keystone

noun
/ˈkiː.stəʊn/

Etymology

From key + stone. Definition 4 (retail) possibly originated in the jewelry industry in the magazine called "Jewelers' Circular-Keystone".

  1. derived from *steyh₂-✻ — “to stiffen”
  2. inherited from *stainaz✻ — “stone”
  3. inherited from *stain✻
  4. inherited from stān
  5. inherited from ston
  6. compounded as keystone — “key + stone”

Definitions

  1. The top stone of an arch.

    • The tunnel, which is 1,000 yd. long, had been closed to passenger traffic since November 17, 1949, after some of the keystones had worked loose.

  2. Something on which other things depend for support.

    • Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks.

  3. A retail price that is double the cost price

    A retail price that is double the cost price; a markup of 100%.

  4. ›+ 7 more definitions

    1. The combination of the shortstop and second baseman.

    2. To distort (an image) by projecting it onto a surface at an angle, which for example…

      To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.

    3. To double the cost price in order to determine the retail price

      To double the cost price in order to determine the retail price; to apply a markup of 100%.

    4. A census-designated place in Colorado.

    5. A city and town in Iowa.

    6. A ghost town in North Dakota.

    7. A town in South Dakota.

The neighborhood

Vish — recursive loop

No curated loop yet for keystone. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA