keystone
See also: Keystone
English edit
Etymology edit
Definition 4 (retail) possibly originated in the jewelry industry in the magazine called "Jewelers' Circular-Keystone".[1]
Pronunciation edit
Noun edit
keystone (plural keystones)
- (architecture) The top stone of an arch.
- 1950 March, “Notes and News: Sugar Loaf Tunnel, Central Wales Line”, in Railway Magazine, page 209:
- 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.
- Something on which other things depend for support.
- 1999, Eliezer Geisler, Methodology, Theory, and Knowledge in the Managerial and Organizational ...[1]:
- Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks.
- A native or resident of the American state of Pennsylvania.
- (retail) A retail price that is double the cost price; a markup of 100%.
- (baseball) The combination of the shortstop and second baseman.
Derived terms edit
Translations edit
the top stone of an arch
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something on which other things depend for support
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a native or resident of the American state of Pennsylvania
Verb edit
keystone (third-person singular simple present keystones, present participle keystoning, simple past and past participle keystoned)
- (transitive) To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.
- (transitive, retail) To double the cost price in order to determine the retail price; to apply a markup of 100%.