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单词 pi-mesic
释义

pi-mesicadj.

Brit. /ˌpʌɪˈmiːzɪk/, /ˌpʌɪˈmɛzɪk/, U.S. /ˌpaɪˈmɛzɪk/, /ˌpaɪˈmɛsɪk/; ; see also mesic adj.2
Forms: 1900s– π-mesic, 1900s– pi-mesic.
Origin: Formed within English, by compounding. Etymons: pi n.1, mesic adj.2
Etymology: < pi n.1 + mesic adj.2, after pi-meson n. Compare slightly later pi-mesonic adj., pionic adj.
Particle Physics.
= pionic adj.
ΘΚΠ
the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [adjective] > relating to pion
pi-mesic1952
pi-mesonic1953
pionic1957
1952 Physical Rev. 88 134/1 We have found direct evidence for π-mesic atom formation with the nuclei of carbon, oxygen, and beryllium.
1984 Progr. Theoret. Physics 72 106 The dominant decay mode of the Λ particle is the pi-mesic decay.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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adj.1952
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更新时间:2024/12/23 17:26:42