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positive ray
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noun Physics.
a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Also called anode ray, canal ray.
Origin of positive ray
First recorded in 1900–05
Words nearby positive ray
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022