【来源及含义】Danish or Norwegian: eighteen; a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in the metric [decimal] system as quintillionth [U.S.] and trillionth part [U.K.], 10-18 [0.000 000 000 000 000 001]. The metric symbol for atto- is a.
【相关词根词缀】;Related "metric" families: ;yotta; ;zetta,exa; ;peta,tera,giga; ;mega,kilo; ;hecto,deka,deci; ;centi,milli; ;micro,nano,pico; ;femto,zepto,yocto.
【同源单词】attoampere, attofarad, attogram, attoscience, attosecond, attotesla