noun
deca-; da; 10^1
Metric prefix meaning ten times the base unit. Used in scientific and technical contexts, often in katakana.
1ダカメートルは10メートルです。
One decameter is ten meters.
ダカは国際単位系で10倍を表す接頭語です。
Deca- is a prefix meaning ten times in the International System of Units.