【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.