Dictionary.net
UP QUARK
\ˌʌp kwˈɑːk], \ˌʌp kwˈɑːk], \ˌʌ_p k_w_ˈɑː_k]\
Definitions of UP QUARK
2006 - WordNet 3.0
2011 - English Dictionary Database
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a
stable
quark
with
an
electric
charge
of
+2/
3
and
a
mass
607
times
that
of
an
electron
2006
- WordNet 3.0
By Princeton University
a
stable
quark
with
an
electric
charge
of
+2/
3
and
a
mass
607
times
that
of
an
electron
2011
- English Dictionary Database
By DataStellar Co., Ltd
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