prolongation

Everyday

1. A prolongation is when something is made longer in time, such as a meeting or a stay. tree →
2. It can also be when something is made longer in space, like a line extended. tree →

In the lessons

In formal speech and maths (extending a line) it is used; in everyday talk «extension» is more common. Phrases: prolongation of a life, prolongation of a line.

Examples

• The rain led to a prolongation of the match. tree →
• Medicine can bring a prolongation of life. tree →
• The prolongation of the meeting annoyed everyone. tree →
• In maths, draw the prolongation of line AB. tree →
• The prolongation of the holiday was a surprise. tree →
• A prolongation of the dry weather harmed the crops. tree →

Note

Formal. From the verb «prolong». Countable and uncountable. In football, «extra time» is the usual phrase.