strange quark

strange quark

noun Physics.
a quark having electric charge −1/3 times the elementary charge and strangeness −1; it is more massive than the up and down quarks.
Also called s quark.


Origin:
1970–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Strange quark is always a great word to know.
So is supercritical. Does it mean:
pertaining to a mass of radioactive material in which the rate of a chain reaction increases with time
the transfer of heat between two parts of a stationary system, caused by a temperature difference between the parts
American Heritage
Science Dictionary
strange quark  
A quark with an electric charge of -1/3 and a mass of 391 electron masses, greater than that of the up quark and down quark, but smaller than that of other quarks. The presence of a strange quark contributes strangeness of -1 to the physical system containing it, while a strange antiquark contributes strangeness of +1. See Table at subatomic particle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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