an·ti·mat·ter 
(ăntē-măt′ər, ăntī-)
(ăntē-măt′ər, ăntī-)n.
A form of matter that is identical to ordinary matter except that it is composed of antielectrons (positrons), antiprotons, and antineutrons.
| 单词 | antimatter |
| 释义 | an·ti·mat·ter (ăntē-măt′ər, ăntī-)n. A form of matter that is identical to ordinary matter except that it is composed of antielectrons (positrons), antiprotons, and antineutrons. |
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