petabitWiktionary 原文英美构词拆解petapeta-前缀bitbit词干peta-In the metric system, multiplying the unit to which it is attached by 1015 (a short scale quadrillion or long scale billiard). Symbol: P词源说明From peta- + bit.释义名词noun1(computing) One quadrillion (1015, or 1,000,000,000,000,000) bits or 1,000 terabits.2(computing, informal) a pebibit.同族词相关词 2pebibyte·petabyte