keystone
IPA: kˈistoʊn
noun
- (architecture) The top stone of an arch.
- Something on which other things depend for support.
- 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.
- A census-designated place in Colorado.
- A city and town in Iowa.
- A ghost town in North Dakota.
- A town in South Dakota.
verb
- (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%.
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Examples of "keystone" in Sentences
- The architect pointed out that the keystone is crucial for maintaining the stability of the arch
- In ecology, the keystone species plays a vital role in maintaining the balance of its ecosystem
- The team's innovative strategy became the keystone of their success in the competitive market
- Without the keystone in place, the entire structure would collapse under pressure
- Education is often considered the keystone of personal and societal development
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