Polymorphism in elements is called allotropy.把元素中的多晶现象称为同素异构性.A structurally differentiated form of an element that exhibits allotropy.化学元素的结构分化形式....

allotropy的音标：allotropy的英式发音音标为：[ə'lɒtrəpɪ]allotropy的美式发音音标为：[ə'lɑtrəpɪ]...

n.同素异形（现象）...