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デカ (deka) Japanese meaning: deca- | Kotomora

デカ

デ

カ

Freq.FrequencyTop 5,000

Meanings

1

deca-; 10^1

Metric prefix meaning ten times the base unit. Used in scientific and technical contexts.

from French déca

デカリットルは10リットルに等ひとしい。
A decaliter is equal to 10 liters.

Don't confuse with

ヘクト
ヘクト is 10^2 while デカ is only 10^1, and both are rare enough in daily Japanese that learners easily confuse their relative size.

Word family

デカリットル
decaliter; decalitre

Etymology

Borrowed from French 'déca', ultimately from Greek 'deka' meaning ten.