strangeness
Americannoun
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the quality or condition of being strange.
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Physics. a quantum number assigned the value −1 for one kind of quark, +1 for its antiquark, and 0 for all other quarks; the strangeness of a hadron is the sum of the values for the strangeness of its constituent quarks and antiquarks. S
noun
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the state or quality of being strange
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physics a property of certain elementary particles, characterized by a quantum number ( strangeness number ) conserved in strong and electromagnetic but not in weak interactions. It is associated with the presence of strange quarks
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The property of containing a strange quark or antiquark. Strangeness is expressed in terms of an integer quantum number, −1 for each strange quark and +1 for each strange antiquark. Hadrons that possess strangeness are called strange. The total strangeness of a quantum system is unchanged by decay processes involving the strong or electromagnetic forces; however, decay through the weak force can change the total strangeness of the system.
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See also baryon number isospin
Etymology
Origin of strangeness
Middle English word dating back to 1350–1400; see origin at strange, -ness
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If this is our measure, then the editor Alice Quinn’s Covid-era anthology, “Together in a Sudden Strangeness: America’s Poets Respond to the Pandemic,” falters on every front.
From New York Times • Dec. 14, 2020
In July, after the coup in Turkey, during the escalating Trump campaign, I read Orhan Pamuk’s “A Strangeness in My Mind.”
From The New Yorker • Dec. 13, 2016
Strangeness can change due to the weak interaction.
From Textbooks • Aug. 12, 2015
Strangeness can arise through diction, or syntax, or structure, or sound pattern.
From Slate • Feb. 12, 2013
"There is no Excellent Beauty that hath not some Strangeness in the Proportion."
From Impressions and Comments by Ellis, Havelock
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
