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top quark
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top quark
noun Physics.
a heavy quark having electric charge 2/3 times the elementary charge.
Also called t quark, truth quark.
Origin:
1975–80
1975–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Top quark
is always a great word to know.
So is gas. Does it mean:
| the distance measured by the propagation of a wave between two successive points in the wave that are characterized by the same phase of oscillation |
| a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid |
American Heritage
Science Dictionary
top quark  (tŏp) Pronunciation Key
A quark with a charge of +2/3. Its mass is larger than that of all the other quarks and is about 360,000 times that of the electron. See Table at subatomic particle. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
