what is the meaning of canal rays in science
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An anode ray (also positive ray or canal ray) is a beam of positive ions that is created by certain types of gas-discharge tubes. They were first observed in Crookes tubes during experiments by the German scientist Eugen Goldstein, in 1886.
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canal ray in British English
noun. physics. a stream of positive ions produced in a discharge tube by allowing them to pass through holes in the cathode.
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