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Medieval craftsmen used talc—thin sheets of mica, selenite, or the soft hydrated magnesium silicate—to glaze small windows and protect manuscripts.
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Medieval craftsmen used talc—thin sheets of mica, selenite, or the soft hydrated magnesium silicate—to glaze small windows and protect manuscripts.
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Related words
talc
IPA(Pronunciation)
Noun
countable
obsolete
uncountable
(obsolete)
Originally
a
large
range
of
transparent
or
glistening
foliated
minerals.
Examples
include
mica,
selenite
and
the
hydrated
magnesium
silicate
that
the
term
talc
generally
has
referred
to
in
modern
times
(see
below).
Also
an
item
made
of
such
a
mineral
and
depending
for
its
function
on
the
special
nature
of
the
mineral
(see
next).
Mediaeval
writers
adopted
the
term
from
the
Arabic.
Japanese Meaning
鉱物：透明または輝く葉状の鉱物群を指し、現代では主に水和マグネシウムシリケート、すなわち「滑石」として知られる。 / その鉱物を材料とし、その特殊な性質（滑りやすさなど）を活かして作られた製品を意味する場合もある。
Related Words
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