D-s particle
Americannoun
D-s particle
Scientific
/ dē′ĕs′ /
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A positively charged meson having a mass 3,852 times that of the electron and a mean lifetime of approximately 4.7 × 10 - 13 seconds.
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See Table at subatomic particle
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
