| 1. |
(noun) crested thick-billed North American finch having bright red plumage in the male |
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Synonyms: Cardinalis cardinalis, Richmondena Cardinalis, cardinal grosbeak, redbird |
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Related Words: finch |
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| 2. |
(satellite adjective) serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure" |
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Synonyms: central, fundamental, key, primal |
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| 3. |
(adjective) being or denoting a numerical quantity but not order; "cardinal numbers" |
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Antonyms: ordinal |
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| 4. |
(noun) a variable color averaging a vivid red |
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Synonyms: carmine |
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Related Words: red, redness |
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| 5. |
(noun) (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes |
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Related Words: bishop, dean |
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| 6. |
(noun) the number of elements in a mathematical set |
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Synonyms: cardinal number |
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Related Words: absolute frequency, frequency, number |
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