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delta ray
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noun Physics.
a low-energy electron emitted by a substance after bombardment by higher-energy particles, as alpha particles.
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Origin of delta ray
First recorded in 1905–10
Words nearby delta ray
Delta Force, delta function, deltaic, delta iron, delta particle, delta ray, delta rhythm, delta stock, Delta team, delta wave, delta wing
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use delta ray in a sentence
British Dictionary definitions for delta ray
delta ray
noun
a particle, esp an electron, ejected from matter by ionizing radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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