| 释义 |
非晶体fēijīngtǐ外形和内部原子排列都无定形的固体,如玻璃、松香、沥青、电木。有的物质既可以是晶体又可以是非晶体,如天然石英是晶体,熔化的石英是非晶体。{amorphous body; noncrystal; solid with no regular external shape or internal atomic structure, such as glass, resin, pitch and bakelite. Some substances can be crystal or noncrystal depending on external conditions; e.g. natural quartz is a crystal, but becomes amorphous when melted.} |