positive ray

noun Physics.

a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.

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CAN YOU FEEL THE WEAL WITH THIS WORD OF THE DAY QUIZ?

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weal
well-being, prosperity, or happiness.
the intervening time.
a somewhat prolonged, sharp, shrill cry, as of pain, fear, or surprise.
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Also called anode ray, canal ray.

Origin of positive ray

First recorded in 1900–05

Words nearby positive ray

positive feedback, positive ion, positive law, positive organ, positive polarity, positive ray, positive scotoma, positive stain, positive theology, positive vetting, positive-negative pressure breathing
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020