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%.
Advertisement
Examples of "keystone" in Sentences
- The keystone of the arch is tall and deep.
- To you it's the whole game and the keystone.
- It is in fact the keystone of the entire program.
- Keystone of the movable cellular automaton method.
- The center of the keystone is deliberately weakened.
- Restraint is the keystone of the seven holy virtues.
- The concept of level is the keystone of this approach.
- The keystone of all science is the notion of scientific fact.
- The untapped keystone is clearly visible in the bunghole below the label.
- At its simplest, a keystone is a device for harvesting and storing power.
- A statue of Saint Peter was placed in the niche over the keystone of the arch.
- Along with home ownership, the BA is described as a keystone to the American Dream.
- But Pennsylvania's so critical in presidential politics, it's fitting that it be called the keystone state.
- Plants are also described as keystone mutualists, which provide critical support to pollinators and dispersers.
- Wolves are called keystone predators, because their presence or absence has a radical effect on a whole complex eco-system.
- Someone has to hold the arch together while the keystone is put in place, or they are thrown together at a single time improbably falling neatly into place.
- The Dell M109S includes a capability called keystone correction, a standard feature in most projectors that adjusts a projected image to give it the proper dimensions, rather than the trapezoidal shape that results when a projector is angled upward.
- The more forward thinkers concerned themselves with population viability, not just with small areas versus large ones, and explored the notion of keystone species, meaning those plants and animals that might be especially crucial to maintaining the cohesion of an entire ecological community over time.