an organism that can assume more than one adult form as in the castes of ants or termites
polymorph详细解释
pol.y.morph n.（名词）Biology An organism characterized by polymorphism.【生物学】 多态动物（植物）：具有多态性特征的有机体Chemistry A specific crystalline form of a compound that can crystallize in different forms.【化学】 多晶形（物）：一种能以不同形式结晶的化合物的特殊晶形
