英语词汇“pentagrid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pentagrid
释义	Definition of pentagrid in English: pentagrid noun ˈpɛntəɡrɪd Electronics A thermionic valve having five grids; a heptode. Origin 1930s; earliest use found in Wireless World. From penta- + grid. Definition of pentagrid in US English: pentagrid nounˈpɛntəɡrɪd Electronics A thermionic valve having five grids; a heptode. Origin 1930s; earliest use found in Wireless World. From penta- + grid.
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Definition of pentagrid in English: