Definition of Flint glass. Meaning of Flint glass. Synonyms of Flint glass
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Definition of Flint glass
Flint glassFlint Flint, n. [AS. flint, akin to Sw. flinta, Dan. flint;
cf. OHG. flins flint, G. flinte gun (cf. E. flintlock), perh.
akin to Gr. ? brick. Cf. Plinth.]
1. (Min.) A massive, somewhat impure variety of quartz, in
color usually of a gray to brown or nearly black, breaking
with a conchoidal fracture and sharp edge. It is very
hard, and strikes fire with steel.
2. A piece of flint for striking fire; -- formerly much used,
esp. in the hammers of gun locks.
3. Anything extremely hard, unimpressible, and unyielding,
like flint. ``A heart of flint.' --Spenser.
Flint age. (Geol.) Same as Stone age, under Stone.
Flint brick, a fire made principially of powdered silex.
Flint glass. See in the Vocabulary.
Flint implements (Arch[ae]ol.), tools, etc., employed by
men before the use of metals, such as axes, arrows,
spears, knives, wedges, etc., which were commonly made of
flint, but also of granite, jade, jasper, and other hard
(a) (Pottery) A mill in which flints are ground.
(b) (Mining) An obsolete appliance for lighting the miner
at his work, in which flints on a revolving wheel were
made to produce a shower of sparks, which gave light,
but did not inflame the fire damp. --Knight.
Flint stone, a hard, siliceous stone; a flint.
Flint wall, a kind of wall, common in England, on the face
of which are exposed the black surfaces of broken flints
set in the mortar, with quions of masonry.
Liquor of flints, a solution of silica, or flints, in
To skin a flint, to be capable of, or guilty of, any
expedient or any meanness for making money. [Colloq.] Flint glassFlint glass Flint" glass` (Chem.)
A soft, heavy, brilliant glass, consisting essentially of a
silicate of lead and potassium. It is used for tableware, and
for optical instruments, as prisms, its density giving a high
degree of dispersive power; -- so called, because formerly
the silica was obtained from pulverized flints. Called also
crystal glass. Cf. Glass.
Note: The concave or diverging half on an achromatic lens is
usually made of flint glass.
Meaning of Flint glass from wikipedia
- Flint gl****
is optical gl****
that has relatively
high refractive index
and low Abbe number
(high dispersion). Flint
gl****es are arbitrarily defined
to Williamsburg, Brooklyn, New York, and operated
as the Brooklyn Flint Gl****
Works. The company moved again
to its ultimate
home and eponym, the city...
- Flint gl****
is a form of gl**** characterised
a high refractive index
and a low Abbe number. Flint Gl****
may also refer
to: Flint Gl****
, an electronic...
- and a round
exit pupil. A concave
lens of flint gl****
is commonly combined
with a convex
lens of crown gl****
doublet. The dispersions...
is a sedimentary cryptocrystalline
form of the mineral
as the variety
- Uranium gl****
is gl**** which
has had uranium, usually
in oxide diuranate
to a gl****
mix before melting
for colouration. The proportion
- crystal, historically
as flint gl****
due to the original silica
of 24% PbO. Lead gl****
is often desirable
for a variety...
- made out of flint gl****
such as F2, which
high dispersion, and the other
is a positive
made of crown gl****
such as BK7...
- American Flint
. Toledo, OH: American Flint Gl**** Workers
1916. "Dunkirk (page 28)". American Flint
. Toledo, OH: American Flint Gl****
- toughened gl****
is a type of safety gl**** processed
by controlled thermal
or chemical treatments
its strength compared
with normal gl****
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