Speculum
Definition of Speculum
Spec´u`lum
n.
1.
A
mirror
,
or
looking-glass
;
especially
,
a
metal
mirror
,
as
in
Greek
and
Roman
archæology.
2.
A
reflector
of
polished
metal
,
especially
one
used
in
reflecting
telescopes
.
See
Speculum
metal
,
below
.
3.
(Surg.)
An
instrument
for
dilating
certain
passages
of
the
body
,
and
throwing
light
within
them
,
thus
facilitating
examination
or
surgical
operations
.
4.
(Zool.)
A
bright
and
lustrous
patch
of
color
found
on
the
wings
of
ducks
and
some
other
birds
.
It
is
usually
situated
on
the
distal
portions
of
the
secondary
quills
,
and
is
much
more
brilliant
in
the
adult
male
than
in
the
female
.
Speculum metal
a
hard
,
brittle
alloy
used
for
making
the
reflectors
of
telescopes
and
other
instruments
,
usually
consisting
of
copper
and
tin
in
various
proportions
,
one
of
the
best
being
that
in
which
there
are
126
.
4
parts
of
copper
to
58
.
9
parts
of
tin
,
with
sometimes
a
small
proportion
of
arsenic
,
antimony
,
or
zinc
added
to
improve
the
whiteness
.
Related Words
mirror
Word:
Browse
Spectrophone
Spectrophotometer
Spectrophotometry
Spectroscope
Spectroscopic
Spectroscopist
Spectroscopy
Spectrum
Spectrum analysis
Specular
Specular iron
Speculate
Speculation
Speculatist
Speculative
Speculative theology
Speculator
Speculatorial
Speculatory
Speculist
-Speculum-
Speculum metal
Sped
Speece
Speech
Speechful
Speechification
Speechifier
Speechify
Speechifying
Speeching
Speechless
Speechmaker
Speed
Speed counter
Speed gauge
Speed lathe
Speed pulley
Speeder
Speedful
Speedfully
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