noun. a metric unit of length equal to ten meters.
- metric linear unit
- deca- (English)
- δέκα (Ancient Greek (to 1453))
- meter (English)
- mètre (French)
Sentences with decameter
1. Noun, singular or mass
Moving in the other direction, the decameter (10 meters) and hectometer (100 meters) are seldom encountered, but the kilometer (1,000 meters) is vitally important in transportation and other realms.