Thirteen

Definition

Thirteen is the cardinal number that is equivalent to the sum of twelve and one, or one more than twelve. It is also used as an adjective to describe a quantity of thirteen.

Parts of Speech

• Noun
• Adjective

Pronunciation

American English

• IPA Pronunciation: /ˈθɜrˌtiːn/
• Respelling: THUR-teen

British English

• IPA Pronunciation: /ˈθɜːˌtiːn/
• Respelling: THUR-teen

Etymology

The word "thirteen" originates from Old English "þreotīene," a compound of "þreo" (three) and "tīene" (ten). It is related to Proto-Germanic "*þritehun" and Proto-Indo-European "*trei-deḱm̥," both of which mean "three-ten."

Derivatives

• Thirteenth (adjective/noun)
• Thirteenfold (adjective/adverb)
• Thirteens (noun, plural)
• Thirteener (noun, informal)
• Thirteen-year-old (noun/adjective)

Synonyms

• Baker's dozen
• 13
• Ten plus three

Antonyms

• None

Usage

The noun "thirteen" is used to denote the number, as in "The class has thirteen students." The adjective form is used to describe a quantity, such as "a thirteen-year-old child."

Related Terms

• Number: A mathematical object used to count or measure.
• Cardinal number: A number used to denote quantity (e.g., one, two, three).
• Teen: Numbers from thirteen to nineteen in a counting system.

Detailed Definitions

Noun

• The cardinal number equivalent to twelve plus one: Refers to the integer that comes after twelve and before fourteen.
  • Example: "There are thirteen cookies in the jar."
• A group or set of thirteen items: Describes a collection or quantity of thirteen things.
  • Example: "She counted thirteen chairs around the table."

Adjective

• Being thirteen in number: Used to describe a quantity of thirteen.
  • Example: "The team consists of thirteen players."