antiquark

[ an-tee-kwawrk, -kwahrk, an-tahy- ]

/ ˈæn tiˌkwɔrk, -ˌkwɑrk, ˈæn taɪ- /

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noun Physics.

the antiparticle of a quark.

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Origin of antiquark

anti- + quark

Words nearby antiquark

antipyretic, antipyrine, antipyrotic, antiq., antiquarian, antiquark, antiquary, antiquate, antiquated, antique, antique glass

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use antiquark in a sentence

Yet Miller calls this rival model “descriptive, rather than predictive,” since it’s tuned to fit data rather than to identify a physical mechanism behind the down antiquark excess.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter|Natalie Wolchover|February 24, 2021|Quanta Magazine
Models made different predictions for how the ratio of down and up antiquarks should change as you count antiquarks that carry more energy.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter|Natalie Wolchover|February 24, 2021|Quanta Magazine
When the “NuSea” experiment at Fermilab measured the down-to-up ratio as a function of antiquark momentum in 1999, their answer “just lit everybody up,” Alberg recalled.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter|Natalie Wolchover|February 24, 2021|Quanta Magazine
Then, a decade later, another group saw hints of puzzling variations in the down-to-up antiquark ratio.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter|Natalie Wolchover|February 24, 2021|Quanta Magazine

SeaQuest researchers found that down antiquarks were about 50 percent more prevalent than up antiquarks — even when a single antiquark carried nearly half the proton’s total momentum.
Protons’ antimatter is even more lopsided than we thought|Emily Conover|February 24, 2021|Science News

British Dictionary definitions for antiquark

antiquark

/ (ˈæntɪkwɑːk) /

noun

the antiparticle of a quark

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for antiquark

antiquark

[ ăn′tē-kwôrk′, ăn′tī- ]

The antiparticle that corresponds to a quark.