Become A (Dungeon) Master Of These D&D Slang TermsFor the over 50 years that D&D has been around, a lot of jargon has developed around the game. Whether you're a total n00b or a Dungeon Master, knowing the lingo of D&D is a key part (of the fun) of its gameplay.
Origin of D particle
First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for d particle
Either of two subatomic particles in the meson family, one neutral and one positively charged, having masses 3,649 and 3,658 times that of the electron and average lifetimes of 4.2 X 10-13 and 1.1 X 10-12 seconds, respectively. See Table at subatomic particle.
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