noun · a compound or medicinal product made by mixing ingredients

这种洗涤剂的去污效果非常好。

measure word · classifier for a dose of traditional Chinese medicine

他连服了三剂中药，病情才有所好转。

noun · a small piece of dough cut or pinched from a rolled log for making buns or dumplings

他熟练地把长条面团揪成了一个个大小均匀的剂。