陰極 yīnjí cathode; negative pole Origin Definitions Defs Strokes Stroke Words Sentences Sents 阴极射线 yīnjíshèxiàn cathode ray a beam of electrons emitted from the cathode of a high-vacuum tube阴极射线管 yīnjíshèxiànguǎn cathode ray tube an electronic vacuum tube that displays images by firing electrons at a phosphorescent screen; commonly known as a CRT