cornerstone

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cor·ner·stone

also corner stone  (kôr′nər-stōn′)
n.
1.
a. A stone at the corner of a building uniting two intersecting walls; a quoin.
b. Such a stone when inscribed with the date of the start of the construction of the building.
2. An indispensable and fundamental basis: the cornerstone of an argument.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cornerstone

(ˈkɔːnəˌstəʊn)
n
1. (Building) a stone at the corner of a wall, uniting two intersecting walls; quoin
2. (Building) a stone placed at the corner of a building during a ceremony to mark the start of construction
3. a person or thing of prime importance; basis: the cornerstone of the whole argument.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cor•ner•stone

(ˈkɔr nərˌstoʊn)

n.
1. a stone uniting two masonry walls at an intersection.
2. a stone representing the nominal starting place in the construction of a monumental building, usu. carved with the date.
3. something that is essential or basic.
4. the foundation on which something is constructed or developed.
[1250–1300]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cornerstone - the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
explanation - thought that makes something comprehensible
meat and potatoes - the fundamental part; "successful negotiation is the meat and potatoes of arbitration"
supposal, supposition, assumption - a hypothesis that is taken for granted; "any society is built upon certain assumptions"
2.cornerstone - a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
3.cornerstone - a stone at the outer corner of two intersecting masonry walls
building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

cornerstone

noun basis, key, premise, starting point, bedrock Effective opposition is a cornerstone of any democracy.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

cornerstone

noun
A fundamental principle or underlying concept:
base, basis, foundation, fundament, fundamental, root, rudiment (often used in plural).
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

cornerstone

[ˈkɔːnəstəʊn] N (lit, fig) → piedra f angular
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

cornerstone

[ˈkɔːrrstəʊn] n
(= foundation, basic part) → pierre f angulaire
(ARCHITECTURE)pierre f angulairecorner store n (US)magasin m du coin
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

cornerstone

[ˈkɔːnəˌstəʊn] n (also) (fig) → pietra angolare
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
Traders in the avarice, indifference, or imbecility of parents, and the helplessness of children; ignorant, sordid, brutal men, to whom few considerate persons would have entrusted the board and lodging of a horse or a dog; they formed the worthy cornerstone of a structure, which, for absurdity and a magnificent high-minded LAISSEZ-ALLER neglect, has rarely been exceeded in the world.
And King John has stepped upon the shore, and we wait in breathless silence till a great shout cleaves the air, and the great cornerstone in England's temple of liberty has, now we know, been firmly laid.
The cornerstone of the one was right, that of the other was power....
Summary: Twelve cornerstones commit $3.1 bln to Glencore's IPO-term sheet; Cornerstones agree to six-month lock-up period-term sheet; Glencore CEO uses personal touch with some cornerstones
All issues in safety can be assigned to one of 8 cornerstones for management purposes.