keystone

listen to the pronunciation of keystone
İngilizce - Türkçe
İngilizce - İngilizce
The top stone of an arch
A native or resident of the American state of Pennsylvania
{n} the middle stone in an arch
The central wedge-shaped member of a masonry arch; also used as a decorative element on arches in wood structures
the most important part, from the idea of the central stone in an arch that keeps the other stones in position - without it, the whole arch would fall down
the symmetrically shaped, wedge-like stone located in a head ring course at the crown of the arch; the final stone placed, thereby closing the arch
the central building block at the top of an arch or vault
The wedge-shaped central block, or voussoir, at the apex of an arch
Setting a retail price at twice the wholesale price
middle stone in an arch or a rib-vault
[arch] The center block of stone in an arch which receives equal forces from both sides; the last stone put into an arch
Wedge-shaped stone at the center of an arch or vault
of Arch
Angular block, in a header or mantle, centered over a door or window or at the top of a masonry arch
The top and last stone to be put into an arch, sometimes decorated
The central voussoir in an arch Its action holds the rest of the voussoirs in place
the central stone in the Roman arch
This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving
1) Central wedge-shaped stone of an arch that locks the parts together 2) Central supporting element in a whole
The highest and the central stone of an arch, often curved
A keystone of a policy, system, or process is an important part of it, which is the basis for later developments. Keeping inflation low is the keystone of their economic policy
Central wedge in top of arch
The central or topmost stone of an arch
a stone of the crown string course of an arch; the final stone placed, closing the arch; or symmetrically shaped, wedge-like stone in a head-ring course at the crown of the arch, extending beyond the extradosal and intradosal limits of the voussoirs of adjoining string courses
the central supporting stone of an arch It is of trapezoidal form
A stone that blocks one end of a formation of four opposing stones in a row Threats to a keystone may occur when it is part of a pair
Distortion of a projected image in which the top of the image looks broader than the bottom caused by the difference in the distance from the top of image to projector lens as compared to the space between the bottom of the image and the lens
The stone at the apex of an arch
the pronounced centre block in the formation of voussoirs which forms a self supporting arch or window/door head
Keystone (kê´ston´) noun 1) The stone at the top or middle of an arch or vault, which, being wider at the top than at the bottom, enters like a wedge and binds the work; sometimes being projecting and ornamented 2) In a system, that which holds the several parts together; the supporting fact or principle
Top stone of an arch
a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
Each Asytryne requires a keystone for operation The keystone contains the self-contained Attistar for a specific Asytryne, and typically one keystone can only operate the Asytryne it was designed for A keystone Attistar contains all of the security coded hyperwave pattern "ports" needed to interface with the many sub-systems of its Asytryne Some "master" keystones may exist which have the ability to "hack" into the ports of any Asytryne, but these are rare, and even in the best cases they will not be able to operate an Asytryne as well as the keystone AI that was designed for that Asytryne
{i} central and topmost stone in an arch; essential part, something upon which everything depends or rests
A wedged-shaped stone in the center of an arch which acts to keep the arch from collapsing
keystone corner
second base, because it is often the key to scoring and defense

Jones takes the toss at the keystone corner, on to first .... double play.

keystone pricing
A pricing method, where the price is doubled at each level of distribution
keystone species
A species that exerts a large, stabilizing influence throughout an ecological community, despite its relatively small numerical abundance
Keystone Kops
a group of characters in humorous US silent films (=old films made with no sound) . They are police officers who are very stupid and are always making silly mistakes
keystone species
Species that interacts with a large number of other species in a community Because of the interactions, the removal of this species can cause widespread changes to community structure Compare with immigrant species, indicator species, and native species
keystone species
A species whose niche (occupation) in its ecosystem is vital to the survival of many other species The disappearance of keystone species thus leads to a series of extinctions in an ecosystem
keystone species
– A plant or animal that plays a more significant role in the habitat than other species; they provide essential services that are unique Without the work of these key species, the habitat will change significantly
keystone species
A species that has a major influence on community structure
keystone species
a species that is disproportionately important in the maintenance and balance of its community integrity
keystone species
n: Species that play roles affecting many other organisms in an ecosystem
keystone species
These are species whose activities are critical to the structure of the community in which they live
keystone species
A species of animal on which associated animals depend for support (For example, starfish are keystone species off the coast of British Columbia They feed on clams which would otherwise eat all other sea animals in the region If starfish are removed, the clams flourish, and the marine animal population plunges )
keystone species
Species that have a key role in the ecosystem
keystone state
Pennsylvania; a nickname alluding to its having been the central one of the 13 original United States
A keystone
key
keystones
plural of keystone
keystone