a source of ions; esp. a device for producing ions, such as an ion gun.
| 单词 | θ78847 |
| 释义 | the world > matter > physics > atomic physics > ion > [noun] > current of ions > device producing (2) ion source1926 a source of ions; esp. a device for producing ions, such as an ion gun. ion gun1939 a device in which ions are produced (typically by the ionization of a gas) and emitted in a beam. |
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