Cardinal numbers Meaning and Definition
Cardinal numbers
Pronunciation
/ˈkɑrdɪnəl nʌmbrz/
Part of Speech
Noun
Definition
A cardinal number is a number that indicates quantity or size, often used to express a countable quantity, such as one, two, three, and so on.
Examples
- There are three cardinal numbers: cardinals, ordinal numbers, and nominal numbers.
- He has five cardinal numbers in his deck of cards.
- Cardinal numbers are used to express the quantity of something.
- The number of students in the class is a cardinal number.
- In mathematics, cardinal numbers are used to express the size of a set.
Synonyms
- Number
- Quantity
Antonyms
- Zero
- None
Etymology
The term “cardinal” comes from the Latin “cardo,” meaning “hinge” or “pivot,” and was first used in mathematics to describe numbers that are considered fundamental or essential.
Additional Information
Cardinal numbers are often contrasted with ordinal numbers, which are used to express sequence or position. Cardinal numbers are used in a wide range of contexts, including mathematics, science, and everyday life. They are an essential concept in mathematics, as they allow us to quantify and compare the size of sets and quantities.
Usage Notes
In formal mathematics, cardinal numbers are often capitalized, while in informal contexts, they may be written in lowercase. It’s generally accepted to use the term “cardinal number” rather than “Cardinal number” unless referring to the mathematical concept.
Cultural References
Cardinal numbers are often referenced in popular culture, such as in music, books, and movies. For example, the song “Three Cardinal Numbers” by the band The Glands is a notable instance.
Idiomatic Expressions or Phrases
- “One, two, three, many more”
- “All in the family, from one to many”
Related Words or Phrases
- Natural number
- Ordinal number
- Nominal number
Collocations
- One, two, three, etc.
- Four, five, six, etc.
- Many, few, some, etc.
Frequency of Use
Cardinal numbers are used frequently in everyday language, and are an essential concept in mathematics and science.
Common Misspellings
- Cardenal numbers
- Kardinal numbers