What is 定規?
定規 (じょうぎ) is a common measuring tool known as a ruler in English. It is primarily used to measure length or to draw straight lines. This word is often encountered in school, office, and craft contexts.
Usage and Nuances
When you use 定規, you usually imply precision in measurement or drawing. It is a physical tool, so it is not used metaphorically. The word is neutral in tone and appropriate for both casual and formal situations.
Common Collocations
- 定規を使う: to use a ruler
- 定規で測る: to measure with a ruler
- 透明な定規: transparent ruler
These collocations highlight typical actions and types of rulers.
Tips for Learners
Be careful not to confuse 定規 with other measuring tools like メジャー (tape measure) or コンパス (compass). 定規 specifically refers to a straight ruler, often rigid and flat. When talking about measuring length or drawing straight lines, 定規 is the correct term.