| 单词 | space charge |
| 释义 | space charge in American English Electronics the negative electric charge within a cloud of electrons that is located in one of the spaces between electrodes, usually the cathode and first grid, in a vacuum tube space charge in American Englishnoun Electricity a distribution of an excess of electrons or ions over a three-dimensional region, in contrast to the distribution of an electric charge over the surface of a conductor Word origin [1910–15]This word is first recorded in the period 1910–15. Other words that entered Englishat around the same time include: cat and mouse, grass roots, insulin, payoff, radio |
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