+ Cardinal versus ordinal numbers Cardinal Ordinal zero 0 zeroth 0th one 1 first 1st two 2 second 2nd three 3 third 3rd four 4 fourth 4th five 5 fifth 5th six 6 sixth 6th seven 7 seventh 7th eight 8 eighth 8th nine 9 ninth 9th ten 10 tenth 10th eleven 11 eleventh 11th twelve 12 twelfth 12th thirteen 13 thirteenth 13th fourteen 14 fourteenth 14th fifteen 15 fifteenth 15th
In linguistics, and more precisely in traditional grammar, a cardinal numeral (or cardinal number word) is a part of speech used to count.
Examples in English are the words one, two, three, and the compounds three hundred [and] forty-two and nine hundred [and] sixty. Cardinal numerals are classified as definite, and are related to ordinal numbers, such as the English first, second, third, etc.
See also Arity Cardinal number for the related usage in mathematics English numerals (in particular the Cardinal numbers section) Distributive number Multiplier Nominal numeral Numeral for examples of number systems Valency Roman numerals Latin numerals Greek numerals
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