Definitions for KEYSTONE
ˈkiˌstoʊnkey·stone

Princeton's WordNetRate this definition:3.7 / 3 votes

1. anchor, mainstay, keystone, backbone, linchpin, lynchpinnoun

   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"

2. keystone, key, headstonenoun

   the central building block at the top of an arch or vault

WiktionaryRate this definition:0.0 / 0 votes

1. keystonenoun

   The top stone of an arch.

2. keystonenoun

   A native or resident of the American state of Pennsylvania.

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. Keystonenoun

   The middle stone of an arch.

   Etymology: key and stone.

   If you will add a keystone and chaptrels to the arch, let the breadth of the upper part of the keystone be the height of the arch. Joseph Moxon, Mech. Exer.

ChatGPTRate this definition:0.0 / 0 votes

1. keystone

   A keystone is the central principle or part of a policy, system, etc., on which all else depends. It is also an architectural term referring to the wedge-shaped stone piece at the apex of a masonry arch, or the generally round one at the apex of a vault, locking all stones into position, allowing the arch or vault to bear weight.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Keystonenoun

   the central or topmost stone of an arch. This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving. See Illust. of Arch

WikidataRate this definition:5.0 / 1 vote

1. Keystone

   A keystone is the wedge-shaped stone piece at the apex of a masonry vault or arch, which is the final piece placed during construction and locks all the stones into position, allowing the arch to bear weight. Although a masonry arch or vault cannot be self-supporting until the keystone is placed, the keystone experiences the least stress of any of the voussoirs, due to its position at the apex. Old keystones can decay due to vibration, a condition known as bald arch. In a rib-vaulted ceiling, keystones may mark the intersections of two or more arched ribs. For aesthetic purposes, the keystone is sometimes larger than the other voussoirs, or embellished with a boss. Mannerist architects of the 16th century often designed arches with enlarged and slightly dropped keystones, as in the "church house" entrance portal at Colditz Castle. Numerous examples are found in the work of Sebastiano Serlio, a 16th-century Italian Mannerist architect.

Matched Categories

1. • Building Block
   • Support

Usage in printed sourcesFrom: 

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Anagrams for KEYSTONE »

1. keynotes

How to pronounce KEYSTONE?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say KEYSTONE in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of KEYSTONE in Chaldean Numerology is: 5

2. Pythagorean Numerology

   The numerical value of KEYSTONE in Pythagorean Numerology is: 6

Examples of KEYSTONE in a Sentence

1. Hillary Clinton:

   We have differences and you won't get me to talk about Keystone because I have steadily made clear that I'm not going to express an opinion, it is in our process and that's where it belongs.

2. Olivia Cappello:

   Mehmet Oz doesn't represent Pennsylvanians — in fact, he's at odds with the nearly 9 in 10 Keystone state voters who believe abortion should be legal, planned Parenthood Votes is all in to defeat candidates across the country who, like Oz, are ready to take away people's right to decide what is best for their own bodies, lives, and futures. That includes significant investments in races up and down the ballot, from Arizona to Pennsylvania to Georgia.

3. Michael Tran:

   There are only a handful of pipelines available to export barrels out of Canada and when a large pipeline like Keystone goes offline, Canadian barrels become stranded and prices suffer.

4. Chris McCluskey:

   This now clears the way for the State Department to complete the process, our position on Keystone remains the same. We believe the project should be approved.

5. David Greenwood:

   The discovery of charcoal together with a fern-filled stomach opens a window into the biology of this large herbivorous armoured dinosaur as it suggested Borealopelta was likely a keystone herbivore that shaped the landscape by its grazing, and that it also grazed on the ferns growing in open areas created by wildfires, that is so cool.

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=KEYSTONE
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Keystone
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=KEYSTONE
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/KEYSTONE
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=KEYSTONE
7. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=KEYSTONE