The smallest known building blocks of matter. Protons and neutrons are each made of 3 quarks. Quarks are never found alone, only in groups of two or more. An attempt to separate two quarks generates enough energy to create two more.
Quarks, wordgluons, wordelectrons, damn physics is hot!
by zachwolff October 20, 2003
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1. A basic building block of matter, thought to be impossible to break down into anything else. Quarks come in several varieties; protons and neutrons are each made up of three quarks in specific combinations.

2. The character on Star Trek Deep Space Nine who ran the bar.
1. It is now thought that neutrons themselves are composed of particles known as quarks, and this raises the possibility that in the centre of a neutron star these quarks may roam freely in a fluid form known as a 'quark soup'.

2. Quark was always getting into trouble with Odo, the cheif of security on Deep Space Nine.
by OneBadAsp October 20, 2006
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Quark known as Cork is a 2b2t legend. QUARK A 2B2TPE.ORG LEGEND uses impact client and his a pro pvper and builder he play anarchy servers such as 5b5t and 0b0t and his respected and feared on both. He has the fastest crystal aura config possible and many people have offered hundreds for my impact config. HIS mouse movement is so fast he can outplace any clients autotrap or auto surround. When he enter a fight he either win or die and he always win. People mock impact but they dont mock Quark once they're dead to his crystals and begging for mercy at my feet. He use impacts built in baritone to create some of the biggest bases on 5b or 0b ever heard of The Behemoth? No you havent because I use impacts elytra fly to make my bases in the millions so they never get found. He is a 2b2t enthusiast and know everything about the servers history because of fitmc and salc1 as I have watched everyone of there videos. One day he will play endzone and become a legend on the server with the likes of popbob and pyrobyte and everyone will know my name and I will become the true king of endzone with impact by my side.
Quark,cork,CwQuark, and cok.
by Quark1450 July 11, 2021
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A Quark is a Fundamental Particle, the fundamental makeup of matter. They make up Hadrons which make up Protons and Neutrons which makes up Atoms which make up everything, so everything is made of Quarks when you go down to the smallest of small. There are, however, particles even smaller than quarks
The Quark is a fundamental particle that is within everything
by FlansTheMans April 7, 2021
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The sound a duck makes when it is confused, asking a question or surprised. Also used as an empathised alternative to the word 'what?'
1. Quark??!?!?!

2. Person A: I developed the power to fly today. Person B: Quark?!?!
by fwoabp February 23, 2011
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1. noun: A blow job in which the giver is standing up, that is, the act does not require kneeling or laying down because the recepient is much larger in height.

2. verb: to give a blow job to a notably larger recepient.
1. Azrael finally received the quark from Smurfette that he'd been asking for.

2. If Bilbo were gay he would quark an elf.

When the cave troll demanded that Eowyn quark him, she cut off his trollhood.
by Mouse Madness July 8, 2013
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The smallest known unit used in atomic science
Quarks combine to form composite particles
by HARVELENA January 31, 2019
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