psi-particle
Ads
Perfect Particle Counters www.pamas.net/ Various Particle Measuring Systems. Accurate. Different applications.
Pharma Contract Services www.patheon.com/granulesandpowders Develop & Manufacture Powders and Granules for Pharma Products.
noun Physics.
1.
any of a family of mesons consisting of a charmed quark and a charmed antiquark.
2.
an early name for the J/psi particle.
Origin:
1970–75
1970–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To psi-particle
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Psi-particle
is always a great word to know.
So is doohickey. Does it mean:
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a gadget; dingus; thingumbob. |
American Heritage
Science Dictionary
psi particle  (sī, psī) Pronunciation Key
See J/psi particle. |
| psi' particle (sī'prīm', psī'-) Pronunciation Key
An electrically neutral meson having a mass 7,213 times that of the electron and a mean lifetime of approximately 1 × 10-20 seconds, composed, like the J/psi particle, of a charm-anticharm quark pair. See Table at subatomic particle. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Nearby Words
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
