释义 |
无定形体wúdìngxíngtǐ原子、离子或分子不按一定空间次序排列而成的固体,没有规则的几何外形,没有固定的熔点和各向异性。如石蜡、玻璃等。{amorphous solid; solid matter formed by atoms, ions or molecules in a mass without regular geometric stratification, crystalline structure, fixed melting point and anisotropy, such as paraffin and glass} |