eighteenth

Everyday

1. Coming next after the seventeenth in order; number 18 in a line or list. tree →
2. (fraction) One of eighteen equal parts of something: one eighteenth, written 1/18. tree →

In the lessons

In maths lessons it is the ordinal of 18: «the eighteenth place». In fractions, 1/18 means a whole split into 18 equal parts. In everyday life, «an eighteenth» (UK, Aus, NZ) is a party for someone turning 18, when they become an adult in many countries. Phrases: «the eighteenth hole» (golf), «eighteenth birthday».

Examples

• She finished eighteenth in the cross-country race. tree →
• Our house is the eighteenth on the left. tree →
• My cousin is having a big party for her eighteenth. tree →
• One eighteenth of 36 is 2. tree →
• The golfer won on the eighteenth hole. tree →
• We read the eighteenth chapter last night. tree →
• In this way six years passed by, and his eighteenth birthday drew near. tree →

Note

Short form «18th». Spelled «eighteenth» with «ee» in the middle (eight + teenth, one t). In maths: 1/18 of a number = the number divided by 18; 5/18 of 54 = 15. Ordinals show order, not amount.

In Jewish tradition

In maths lessons it is the ordinal of 18: «the eighteenth place». In fractions, 1/18 means a whole split into 18 equal parts. In everyday life, «an eighteenth» (UK, Aus, NZ) is a party for someone turning 18, when they become an adult in many countries. Phrases: «the eighteenth hole» (golf), «eighteenth birthday».

Examples

• the seventeenth to Hezir, the eighteenth to Happizzez; (Writings 1CH.24.15, JPS 1917) tree →
• For the eighteenth to Hanani, his sons and his brethren, twelve; (Writings 1CH.25.25, JPS 1917) tree →
• In the eighteenth year of king Jeroboam began Abijah to reign over Judah. (Writings 2CH.13.1, JPS 1917) tree →

Note

Short form «18th». Spelled «eighteenth» with «ee» in the middle (eight + teenth, one t). In maths: 1/18 of a number = the number divided by 18; 5/18 of 54 = 15. Ordinals show order, not amount.