【来源及含义】Latin: a sharp edge or point; mental acuity, sharpness of vision
【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "sour, sharp": ;acerb-,aceto-,acid-,acuto- (not "sour"),oxy-,pung- (not "sour").
【同源单词】acicula, acicular, acicular ice, acicularity, acicularly, aciculate