nucleus
English Dictionary
->
Letter N
-> nucleus
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nucleus Definition
(n)
a
part
of
the
cell
containing
DNA
and
RNA
and
responsible
for
growth
and
reproduction
(n)
the
positively
charged
dense
center
of
an
atom
(n)
a
small
group
of
indispensable
persons
or
things
; "
five
periodicals
make
up
the
core
of
their
publishing
program
"
(n) (
astronomy
)
the
center
of
the
head
of
a
comet
;
consists
of
small
solid
particles
of
ice
and
frozen
gas
that
vaporizes
on
approaching
the
sun
to
form
the
coma
and
tail
(n)
any
histologically
identifiable
mass
of
neural
cell
bodies
in
the
brain
or
spinal
cord
nucleus Synonyms
cell nucleus
core
core group
karyon
nucleus
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