Last Updated：2025/12/07
(alternative medicine, pseudoscience) colloid consisting of silver particles suspended in liquid, originally used by doctors from the early 20th century until the 1940s (when antibiotics emerged) and then experiencing a revival from about 1990, when it was marketed with scientifically unsupported claims of it being an essential mineral supplement, or that it can prevent or treat numerous diseases
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colloidal silver
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Source Word
colloidal silver
Noun
(alternative
medicine,
pseudoscience)
colloid
consisting
of
silver
particles
suspended
in
liquid,
originally
used
by
doctors
from
the
early
20th
century
until
the
1940s
(when
antibiotics
emerged)
and
then
experiencing
a
revival
from
about
1990,
when
it
was
marketed
with
scientifically
unsupported
claims
of
it
being
an
essential
mineral
supplement,
or
that
it
can
prevent
or
treat
numerous
diseases
Japanese Meaning
液体中に銀の微粒子が懸濁している状態の銀（コロイド銀）。 / 20世紀初頭から1940年代まで医療用に使われ、その後1990年代以降、科学的根拠のない主張とともに代替医療やサプリメントとして販売されるようになったもの。 / 疑似科学的な側面を指摘されることがある。
Sense（1）
(alternative
medicine,
pseudoscience)
colloid
consisting
of
silver
particles
suspended
in
liquid,
originally
used
by
doctors
from
the
early
20th
century
until
the
1940s
(when
antibiotics
emerged)
and
then
experiencing
a
revival
from
about
1990,
when
it
was
marketed
with
scientifically
unsupported
claims
of
it
being
an
essential
mineral
supplement,
or
that
it
can
prevent
or
treat
numerous
diseases
（ plural ）
