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26984 words
crystal
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9 definitions • 5 examples
1
transparent
glass
of very high
quality
,
usually
with
its
surface
cut into
delicate
patterns
:
Examples:
a crystal
vase
2
a
transparent
glass
or
plastic
cover
for a watch or
clock
3
a
piece
of a
substance
that has
become
solid
, with a
regular
shape
:
Examples:
When
sea
water is
allowed
to
evaporate
,
salt
crystals
are
deposited
.
Cirrus
clouds
are
composed
of
ice
crystals
.
4
any
solid
consisting of
atoms
or
molecules
that are
arranged
in a
regular
structure
:
Examples:
Silicon
crystals
grown
in a
laboratory
convert
light
into
electrical
energy
.
5
clear
,
transparent
rock
that is used in
jewellery
, or a
piece
of this:
Examples:
a
pair
of crystal
earrings
6
transparent
rock
that looks like
ice
, or a
piece
of it
7
transparent
glass
of high
quality
,
usually
with
its
surface
cut into
patterns
that
reflect
light
8
A crystal is a
transparent
glass
or
plastic
cover
for a watch or
clock
.
9
the
solid
state
of many
simple
substances
, which have a
regular
shape
and
surfaces
arranged
in
similar
patterns
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