最終更新日：2024/08/04
(historical, physics) An obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.
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plum pudding model
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元となった辞書の項目
plum pudding model
name
(historical,
physics)
An
obsolete
scientific
model
of
the
atom,
devised
shortly
after
the
discovery
of
the
electron
but
before
the
discovery
of
the
atomic
nucleus,
and
according
to
which
the
atom
is
composed
of
electrons
surrounded
by
a
soup
of
positive
charge
to
balance
the
electrons'
negative
charges.
It
was
disproved
in
1909.
意味（1）
(historical,
physics)
An
obsolete
scientific
model
of
the
atom,
devised
shortly
after
the
discovery
of
the
electron
but
before
the
discovery
of
the
atomic
nucleus,
and
according
to
which
the
atom
is
composed
of
electrons
surrounded
by
a
soup
of
positive
charge
to
balance
the
electrons'
negative
charges.
It
was
disproved
in
1909.
