fractional distillation[化工] 分馏;分馏作用;分级蒸馏
fractional precipitation[冶] 分级沉淀;[化学] 分段沉淀;分步沉淀;分段沈淀
fractional share不足一股的股份;不足一股的零碎股票;[金融] 零星股份;不敷一股的股份
fractional numeral分数词
fractional index分数指数
fractional number[数] 分数;分数;分数参数
fractional dissolution分级溶解;分步熔解
fractional exponent分数指数;分式指数;分指数
fractional currency辅币;辅助货币
ADJ（形容词） If something is fractional, it is very small in size or degree. 微不足道的 [usu ADJ n]
...a fractional hesitation.
...一点儿踌躇。
ADV（副词） fractionally [ADV group]
Murphy, Sinclair's young teammate, was fractionally behind him.
辛克莱尔的年轻队友墨菲紧随其后。