seventieth

Everyday

1. Seventieth means number 70 in order, coming after the sixty-ninth: her seventieth birthday. tree →
2. A seventieth is one of 70 equal parts of something (1/70). tree →

In the lessons

Maths: ordinal numbers tell position (first, second ... seventieth); 70th is the short form. A seventieth as a fraction is 1/70, a very small part. Everyday life: a seventieth birthday is a big celebration for grandparents. Phrases: «seventieth birthday», «seventieth anniversary».

Examples

• Grandma is having a party for her seventieth birthday. tree →
• He finished in seventieth place out of a hundred runners. tree →
• The school celebrated its seventieth anniversary. tree →
• One seventieth of 140 is 2. tree →
• This is the seventieth page of my book. tree →
• The queen's seventieth year on the throne was called the Platinum Jubilee. tree →
• Hans thought he would count them for fun, and had already reached the five hundred and seventieth when his host returned and cried, laughing: tree →

Note

Short form: 70th. Spelling: seventy changes y to ie: seventieth (not seventyth). In maths, «a seventieth» = 1/70; «seventy times» means ×70. Do not confuse with «seventeenth» (17th).