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deca-
[deca- 词源字典]
before a vowel,
dec-
, word-forming element meaning "ten," from Latinized comb. form of Greek
deka
"ten" (see
ten
). In the metric system, "multiplied by ten;" while
deci-
means "divided by ten."
[deca- etymology, deca- origin, 英语词源]
