| 单词 | j-psi-particle |
| 释义 | J/psi particle in British Englishnoun a type of elementary particle (meson) thought to be formed from charmed quarks charm1 (sense 7)J/psi particle in American English (ˈdʒeiˈsai, -ˈpsai) noun Physics the lightest of the psi particles, the first particle to be discovered that contains a charmed quark Word origin [1975–80; see j particle, psi particle]This word is first recorded in the period 1975–80. Other words that entered Englishat around the same time include: front-load, hybridoma, noogie, retrovirus, surrogate motherDefinition of 'J/psi particle' |
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