follow Dictionary.com

Denotation vs. Connotation

delta ray

noun, Physics.
1.
a low-energy electron emitted by a substance after bombardment by higher-energy particles, as alpha particles.
Origin of delta ray
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for delta ray

delta ray

noun
1.
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for delta ray

Few English speakers likely know this word

Word Value for delta

6
7
Scrabble Words With Friends