laser
Definition of laser
n.
1.
A
device
which
produces
an
intense
,
usually
narrow
,
monochromatic
beam
of
coherent
light
;
called
also
optical
maser
.
It
has
various
forms
,
and
is
used
in
various
applications
in
science
and
technology
.
The
beam
is
produced
by
boosting
the
majority
of
the
electrons
in
specific
radiation-absorbing
atoms
in
a
medium
into
a
higher
energy
level
,
from
which
they
are
stimulated
by
their
own
emitted
radiation
to
drop
back
synchronously
to
their
lower
energy
level
,
and
emit
light
which
is
in
phase
(
coherent
).
Related Words
optical
device
,
optical
maser
,
photocoagulator
Word:
Browse
Laryngology
Laryngophony
Laryngoscope
Laryngoscopic
Laryngoscopist
Laryngoscopy
Laryngotome
Laryngotomy
Laryngotracheal
laryngotracheotomy
larynx
Las
lasagna
Lascar
Lascious
lasciviency
Lascivient
Lascivious
lasciviousness
lase
-laser-
laser beam
laser disk
laser light
laser printer
laser surgery
Laserwort
Lash
Lasher
Lashing
Lashing out
lasiocampid
Lasiocampidae
Lask
Lasket
Lass
Lasse
Lasser celandine
Lassie
Lassitude
Lasslorn
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
© 2009
Interapple, Inc.
Cover