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