eighteeth

Definition

  1. Adjective:

    • Position in a sequence: "eighteenth" refers to the ordinal number corresponding to the number 18 in a series; the item that comes after the seventeenth and before the nineteenth.

  2. Noun:

    • Fraction: "eighteenth" means one of eighteen equal parts of a whole; the fraction 1/18.
    • Person or thing: "eighteenth" can refer to the person or thing that occupies the eighteenth position in a sequence.
    • Date: "eighteenth" can denote the eighteenth day of a month.
Usage Examples

  • Adjective:

    • She finished in the eighteenth position in the race. (She was the 18th to finish.)
    • The eighteenth century saw major scientific advancements. (The period from 1701 to 1800.)

  • Noun:

    • He ate an eighteenth of the cake. (He consumed one of eighteen equal parts.)
    • The eighteenth of March is her birthday. (The 18th day of March.)
    • He was the eighteenth to arrive at the party. (The 18th person to arrive.)
Advanced Usage

  • "the eighteenth hole": In golf, the final hole on a standard 18-hole course.

    • He made a birdie on the eighteenth hole to win the tournament. (He scored one under par on the last hole.)

  • "eighteenth amendment": Refers to a specific amendment to a constitution, such as the Eighteenth Amendment to the U.S. Constitution, which established Prohibition.

    • The Eighteenth Amendment was repealed in 1933. (The constitutional amendment banning alcohol was revoked.)
Variants and Related Words
  • Eighteen (n/adj): the cardinal number 18.
    • There are eighteen students in the class. (The number 18.)
  • Eighteenthly (adv): in the eighteenth place or position (used in lists).
    • Eighteenthly, we must consider the environmental impact. (As the 18th point.)
Synonyms
  • 18th: a common abbreviation for the ordinal number.
  • 1/18: the fraction represented by "eighteenth" as a noun.
Related Idioms
  • "Eighteenth birthday": a milestone celebration for turning 18, often marking the transition to adulthood in many cultures.
    • Her eighteenth birthday party was a grand affair. (The celebration of her 18th year.)