Deca-
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This article is about the SI prefix. For other uses, see Deca (disambiguation).
Deca- (and dec-), sometimes deka-, is a common English-language numeral prefix derived from the Late Latin decas ("(set of) ten"), from Ancient Greek δέκας (dékas), from δέκα (déka, "ten").[1] It is used in many words.
Look up deca- in Wiktionary, the free dictionary.
Deca (International spelling as used by the International Bureau of Weights and Measures;[2] symbol: da) or deka (American spelling[3]) is a decimal unit prefix in the metric system denoting a factor of ten.