| 单词 | orthicon |
| 释义 | orthicon /awr"thi kon'/, n. Television. a camera tube, more sensitive than the iconoscope, in which a beam of low-velocity electrons scans a photoemissive mosaic. Also, orthiconoscope /awr'thi kon"euh skohp'/. [1935-40; ORTH- + ICON(OSCOPE)] |
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