Dictionary.net
BOTTOM QUARK
\bˈɒtəm kwˈɑːk], \bˈɒtəm kwˈɑːk], \b_ˈɒ_t_ə_m k_w_ˈɑː_k]\
Definitions of BOTTOM QUARK
2006 - WordNet 3.0
2011 - English Dictionary Database
Sort: Oldest first
a
quark
with
a
charge
of
-
1
/
3
and
a
mass
about
10
,000
times
that
of
an
electron
2006
- WordNet 3.0
By Princeton University
a
quark
with
a
charge
of
-
1
/
3
and
a
mass
about
10
,000
times
that
of
an
electron
2011
- English Dictionary Database
By DataStellar Co., Ltd
Word of the day
hydromorphic
[Greek] Structurally adapted to an aquatic environment, as organs of water plants.
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