Definition of Topaz
To´paz
n.
1.
(Min.)
A
mineral
occurring
in
rhombic
prisms
,
generally
yellowish
and
pellucid
,
also
colorless
,
and
of
greenesh
,
bluish
,
or
brownish
shades
.
It
sometimes
occurs
massive
and
opaque
.
It
is
a
fluosilicate
of
alumina
,
and
is
used
as
a
gem
.
2.
(Zool.)
Either
one
of
two
species
of
large
,
brilliantly
colored
humming
birds
of
the
genus
Topaza
(
Topaza
pella
or
Topaza
pyra
),
of
South
America
and
the
West
Indies
.
False topaz
(Min.)
See
the
Note
under
Quartz
.
Related Words
common
topaz
,
false
topaz
,
quartz
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Top-boots
Top-chain
Top-cloth
Top-drain
Top-draining
Top-dress
Top-dressing
Top-hamper
Top-heavy
Top-light
Top-proud
Top-rope
Top-shaped
Top-shell
Top-tackle
Top-timbers
Top-tool
Toparch
Toparchy
Topau
Topazolite
Topcoat
Tope
Topek
Toper
Topet
Topflight
Topful
Topgallant
Topgallant breeze
Topgallant gale
Toph
Tophaceous
Tophet
Tophin
Tophus
Topi
Topiarian
Topiary
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