| 单词 | positive ray |
| 释义 | positive raynoun Physics.a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube. Also called anode ray, canal ray. Origin of positive rayFirst recorded in 1900–05 Words nearby positive raypositive law, positively, positive-negative pressure breathing, positive organ, positive polarity, positive ray, positive scotoma, positive stain, positive theology, positive vetting, positivism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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