cardinal
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
noun.
the number of elements in a mathematical set; denotes a quantity but not the order
noun.
a variable color averaging a vivid red
Synonym: carmine
noun.
crested thick-billed North American finch having bright red plumage in the male
adj.
being or denoting a numerical quantity but not order
cardinal numbers
adj.
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
Antonym: ordinal