cornerstone
1. |
(noun) a stone out the outer corner of two intersecting masonry walls |
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Related Words: stone |
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2. |
(noun) a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies |
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Related Words: stone |
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3. |
(noun) the fundamental assumptions underlying an explanation; "the whole argument rested on a basis of conjecture" |
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Synonyms: base, basis, foundation, fundament, groundwork |
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Related Words: assumption, supposition |
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