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laser
noun
a
device
that
produces
a
very
narrow
,
powerful
beam
of
light
that
can
cut
,
measure
,
read
data
,
or
perform
delicate
medical
work
.
•
The
surgeon
sealed
a
blood
vessel
with
a
laser
.
The
surgeon
sealed
a
blood
vessel
with
a
laser
.
•
In
science
class
,
a
teacher
bends
a
red
laser
beam
through
a
glass
prism
to
show
refraction
.
In
science
class
,
a
teacher
bends
a
red
laser
beam
through
a
glass
prism
to
show
refraction
.
1950s
:
from
the
initial
letters
of
light
amplification
by
stimulated
emission
of
radiation
,
originally
written
LASER
and
later
treated
as
a
regular
noun
.
verb
-
laser
,
lasering
,
lasers
,
lasered
to
cut
,
remove
,
or
mark
something
using
a
laser
beam
.
•
The
dentist
carefully
lasered
away
the
decayed
part
of
the
tooth
.
The
dentist
carefully
lasered
away
the
decayed
part
of
the
tooth
.
•
Tomorrow
,
technicians
will
laser
intricate
patterns
onto
the
metal
panels
.
Tomorrow
,
technicians
will
laser
intricate
patterns
onto
the
metal
panels
.
Derived
from
the
noun
“
laser
,”
used
as
a
verb
from
the
1960s
as
the
technology
became
capable
of
cutting
and
removing
material
.
