词根词缀:exa-
【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.