How is 1 meter defined?

Related questions

1. What is an example of a Hectometer?
2. What is the standard unit of length?
3. How do we measure radiation?
4. What does DAM stand for in the metric system?
5. What is standard kilogram?

Tags

1. #originally
2. #forty
3. #distance
4. #would
5. #meter
6. #length
7. #defined
8. #measured
9. #meters
10. #earth
11. #basic
12. #seconds
13. #today
14. #circumference
15. #about
16. #light
17. #travels
18. #metric
19. #inches
20. #planned
21. #million
22. #system