单词 | insulator |
释义 | insulator [`in·sǝ´lād·ǝr] ELECTRICITY A device having high electrical resistance and used for supporting or separating conductors to prevent undesired flow of current from them to other objects. Also known as electrical insulator. MATERIALS A material that is a poor conductor of heat, sound, or electricity. SOLID-STATE PHYSICS A substance in which the normal energy band is full and is separated from the first excitation band by a forbidden band that can be penetrated only by an electron having an energy of several electronvolts, sufficient to disrupt the substance. |
随便看 |
|
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。