Other Definitions deca (enc) deca (dict)
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DecaFor the marketing association, see DECA (Organization) Deca- (U.S. spelling deka, Greek δέκα) is a Greek prefix meaning ten. The Latin equivalent is deci-. The prefix is an SI prefix (symbol da) in the SI system of units denoting a factor of 101 or 10. It is not in very common usage. The SI prefix was adopted by France in 1795 and internationally by 1960. Examples: - In electromechanical equipment a decade is a group of ten numbers on a switch or indicator, which may represent units, tens, hundreds, etc.
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