1. a metric unit of length equal to one tenth of a meter

Examples

• The ruler was marked in decimeters and centimeters.
• A decimeter equals 10 centimeters.
• The plant grew about two decimeters in height.
• Scientists measured the specimen to the nearest decimeter.
• The box was 5 decimeters long and 3 decimeters wide.
• Children learned that 10 decimeters make one meter.