| 单词 | pseudoscalar meson |
| 释义 | pseudoscalar meson [¦sü·dō`skāl·ǝr `mā´sän] PARTICLE PHYSICS A meson, such as the pion, which has spin 0 and negative parity, and may be described by a field which is a pseudoscalar quantity. Also known as pseudoscalar particle. |
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