词根词缀：deca- [DEK uh], dec-, deka-, dek-

【来源及含义】Greek: ten; a decimal prefix used in the international metric system for measurements

【相关描述】In the metric [decimal] system, deka- is used to show whole units: ten [U.S.] and tenfold [U.K.]; 10¹ [10]. The metric symbol for deka- is da.

【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.

【同源单词】decachord, decade, decagon, decagonal, decagram, decagramme

词根词缀：exa- [EKS uh]

【来源及含义】Greek: from hexa-, "six"; a decimal prefix used in the international metric system for measurements

【相关描述】This is a prefix that is used in the metric [decimal] system as one-quintillion [U.S.] or trillionfold [U.K.], 10¹⁸ [1 000 000 000 000 000 000]. The metric symbol for exa- is E.

【相关词根词缀】 Related "metric" families: yotta; zetta; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.

【同源单词】exabit, exabyte, exagram, exajoule, exasecond

词根词缀：giga- [GIG uh or JIG uh] , gig-

【来源及含义】Greek: "giant"; a decimal prefix used in the international metric system for measurements

【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.

【同源单词】gigabit, gigabyte, gigacycle, gigaelectronvolt, gigaflop, gigahertz